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Journal articles on the topic 'Quarterly tests'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Petersen, J. M., and A. Jhala. "COVID-19 Pandemic: Total Testing Cost Impact on Neisseria Gonorrhoeae and Chlamydia Trachomatis Testing and Positivity Rate in the Veteran Population." American Journal of Clinical Pathology 160, Supplement_1 (2023): S88—S89. http://dx.doi.org/10.1093/ajcp/aqad150.196.

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Abstract Introduction/Objective The College of American Pathologists (CAP) checklist includes the quality assurance (QA) monitoring of the rate of diagnosis of Neisseria Gonorrhoeae (NG) and/or Chlamydia trachomatis (CT) by the molecular laboratory. Recently, the societal impacts of the economic lockdowns of the COVID-19 pandemic had a significant effect on the number of tests. However, the impact on the total testing costs as well as the positivity rate has not been well studied in the Veteran population. Methods/Case Report Quarterly quality assurance data from October 1st, 2018, to December

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Collins, Daniel W., Raunaq S. Pungaliya, and Anand M. Vijh. "The Effects of Firm Growth and Model Specification Choices on Tests of Earnings Management in Quarterly Settings." Accounting Review 92, no. 2 (2016): 69–100. http://dx.doi.org/10.2308/accr-51551.

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ABSTRACT Commonly used Jones-type discretionary accrual models applied in quarterly settings do not adequately control for nondiscretionary accruals that naturally occur due to firm growth. We show that the relation between quarterly accruals and backward-looking sales growth (measured over a rolling four-quarter window) and forward-looking firm growth (market-to-book ratio) is non-linear. Failure to control for the effects of firm growth and performance on innate accruals leads to excessive Type I error rates in tests of earnings management. We propose simple refinements to Jones-type models

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Kajüter, Peter, Florian Klassmann, and Martin Nienhaus. "The Effect of Mandatory Quarterly Reporting on Firm Value." Accounting Review 94, no. 3 (2018): 251–77. http://dx.doi.org/10.2308/accr-52212.

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ABSTRACT We exploit a regulatory change in Singapore to analyze the capital market effects of mandatory quarterly reporting. The listing rule implemented in 2003 has required firms with a market capitalization above S$75 million—but not firms with a market capitalization below this threshold—to publish quarterly financial statements. Using regression discontinuity analysis for our identification, we provide novel evidence of the causal effects of mandatory quarterly reporting on small firms. We find a 5 percent decrease in firm value, consistent with the notion that mandatory quarterly reporti

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Rodrigues, Paulo. "On LM type tests for seasonal unit roots in quarterly data." Econometrics Journal 5, no. 1 (2002): 176–95. http://dx.doi.org/10.1111/1368-423x.t01-1-00080.

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Prawira, Anggun Wida, and Syamsul Arifin. "Pengaruh Jerat Stagflasi Pada Capaian Laju Investasi di Provinsi Jawa Timur Periode 2019-2022." Journal of Business and Economics Research (JBE) 4, no. 2 (2023): 164–73. http://dx.doi.org/10.47065/jbe.v4i2.3636.

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This study aims to determine the effect of the threat of stagflation on investment realization in East Java Province in 2019-2022. The data studied is quarterly secondary data (time series) from the first quarter of 2019 to the fourth quarter of 2022 with a total sample of 16 quarters (for each variable), sourced from the Central Statistics Agency (BPS) and the Investment and One-Stop Services Office (DPMPTSP). Data analysis techniques used descriptive statistics, classical assumption tests, statistical tests and multiple linear regression analysis which were processed using SPSS version 25 so

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Cassell, Cory A., Linda A. Myers, Timothy A. Seidel, and Jian Zhou. "The Effect of Lame Duck Auditors on Management Discretion: An Empirical Analysis." AUDITING: A Journal of Practice & Theory 35, no. 3 (2016): 51–73. http://dx.doi.org/10.2308/ajpt-51378.

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SUMMARY We identify instances in which the auditor-client relationship has been terminated but the auditor continues to complete a subsequent quarterly review. We refer to these instances as “lame duck auditor” quarters, and we contrast financial reporting quality in these quarters with that in non-lame duck auditor quarters. Using discretionary accruals and financial statement misstatements as proxies for financial reporting quality, we find that financial reporting quality is higher in lame duck auditor situations, suggesting that lame duck auditors perform more stringent quarterly reviews.

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Carlson, John M. "Does The Market See Through Seasonal Quarterly Earnings Patterns?" Journal of Applied Business Research (JABR) 32, no. 5 (2016): 1309. http://dx.doi.org/10.19030/jabr.v32i5.9760.

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Evidence such as Das, Shroff, and Zhang (2009) suggests that firms routinely reverse their earnings pattern during their fourth quarter compared to that of last year, possibly leading to earnings management. Motivated by these findings, this study seeks to document whether the market sees through seasonal quarterly earnings patterns and reacts consistent with an earnings management hypothesis. Using an amended Easton and Harris (1991) model, I study whether the earnings variables are more informative based upon the seasonal differencing patterns by incorporating dummy variables, along with the

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Sufi, Fahim, and Musleh Alsulami. "Quantifying Temporal Dynamics in Global Cyber Threats: A GPT-Driven Framework for Risk Forecasting and Strategic Intelligence." Mathematics 13, no. 10 (2025): 1670. https://doi.org/10.3390/math13101670.

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Despite the exponential rise in cybersecurity incidents worldwide, existing analytical approaches often fail to detect subtle temporal dynamics in cyber threats, particularly on a quarterly scale. This paper addresses a critical research gap in the domain of temporal cyber risk analysis by introducing a mathematically rigorous and AI-augmented framework capable of identifying, validating, and forecasting quarterly shifts in global cyber-attack patterns. The methodology integrates a hybrid data acquisition pipeline with GPT-based AI classification to construct a structured, high-dimensional dat

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Azer, Dilanchiev, and Sekreter Ahmet. "Remittance Inflow and Economic Growth: The Case of Georgia." Journal of Research in Business, Economics and Management 6, no. 2 (2016): 868–73. https://doi.org/10.5281/zenodo.3965354.

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Remittance inflow become one of the main source of capital flows in the world. It is noted that remittance is very effective in promoting household welfare and as an alternative source of capital inflow. However in it uncertain whether or not it leads to economic growth. This article examines the effects of remittances inflow on economic growth in Georgian republic. The impact of remittance inflow on GDP growth was analyzed and tested by Unit Root Test, Johansen Co-integration and VAR Granger Causality/Block Exogeneity Wald Tests. In the paper the quarterly data interval from the first quarter

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Skoko, Branimir, and Pero Zovko. "Sustainability of Bosnia and Herzegovina’s international trade flows." Notitia, no. 4 (December 13, 2018): 1–8. http://dx.doi.org/10.32676/n.4.1.

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The aim of this research is to examine the sustainability of international trade flows of Bosnia and Herzegovina with the rest of the world. The data sample consists of quarterly data from the first quarter of 2008 to the last quarter of 2016. Johansen tests of cointegration indicated that exports and imports are cointegrated in the case of Bosnia and Herzegovina and Vector Error Correction Model (VECM) is estimated and tested. Research results revealed a bidirectional weakly sustainable relationship between exports and imports pointing out the need to improve external competitiveness of Bosni

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Wooldridge, J. L., S. Mason, J. Brusatti, G. M. Albers, and B. E. Noyes. "Improvements in Cystic Fibrosis Quarterly Visits, Lung Function Tests, and Respiratory Cultures." PEDIATRICS 136, no. 6 (2015): 1611–16. http://dx.doi.org/10.1542/peds.2014-2979.

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Joutz, Frederick L. "Informational efficiency tests of quarterly macroeconometric GNP forecasts from 1976 to 1985." Managerial and Decision Economics 9, no. 4 (1988): 311–30. http://dx.doi.org/10.1002/mde.4090090410.

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Azar, Samih Antoine. "The Pure Expectations Theory and Quarterly Interest Rate Premiums." Accounting and Finance Research 7, no. 1 (2017): 161. http://dx.doi.org/10.5430/afr.v7n1p161.

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The expectations theory posits that the long interest rate is an average of expected short term interest rates with the possibility of the existence of a risk premium. This paper looks upon fourteen samples of investments for which the difference in maturity is three months. All yields are actual yields and are adjusted to have the same maturities as the short rate. The evidence is strong for the pure expectations theory which predicts that the risk premiums are zero. This should not be surprising because the premium that we are looking for is merely 4 basis points per quarter. The contributio

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Boyle, Erik S., Melissa F. Lewis-Western, and Timothy A. Seidel. "Do Quarterly and Annual Financial Statements Reflect Similar Financial Statement Error in the Post-SOX Era?" Journal of Financial Reporting 6, no. 1 (2021): 1–31. http://dx.doi.org/10.2308/jfr-2020-003.

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ABSTRACT The U.S. has invested substantial resources into the regulation and oversight of public-company financial reporting. While these investments should incentivize high-quality reporting among quarterly and annual financial statements, the sharp rise in public company auditor oversight may disproportionately benefit annual reports given the fiscal year-centric nature of audits. We compare the within company-year difference in financial statement error between quarterly and annual financial reports and examine how any difference changed following SOX. We find that pre-SOX error is lower fo

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da Silva Lopes, Artur C. B., and Antonio Montañés. "THE BEHAVIOR OF HEGY TESTS FOR QUARTERLY TIME SERIES WITH SEASONAL MEAN SHIFTS." Econometric Reviews 24, no. 1 (2005): 83–108. http://dx.doi.org/10.1081/ecr-200049141.

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Dwi Yudiono, Dhimas Angga Negoro, and Eka Bertuah. "Pengaruh Solvabilitas Dan Ukuran Perusahaan Terhadap Return Saham Dengan Profitabilitas Sebagai Variabel Intervening Pada Perusahaan Sektor Kesehatan Yang Terdaftar Di Bursa Efek Indonesia Tahun 2019-2021." Jurnal Ilmiah Ekonomi Global Masa Kini 15, no. 1 (2024): 1–17. http://dx.doi.org/10.36982/jiegmk.v15i1.3993.

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This study aims to examine and analyze the effect of solvency ratios and company size on stock returns by using profitability as an intervening variable in health sector companies listed on the Indonesia Stock Exchange for the 2019-2021 period. Using a quantitative descriptive approach, the population in this study were 21 companies belonging to the health sector (IDXHealth) on the Indonesia Stock Exchange. With purposive sampling, the final sample used is 16 companies. Observations were carried out for 3 years in a quarterly period so that 16 companies were multiplied by 12 quarterly periods

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Deekor, Leelee N. "Electronic Banking and Deposit Money Bank’s Performance in Nigeria." Cross Current International Journal of Economics, Management and Media Studies 3, no. 6 (2021): 71–81. http://dx.doi.org/10.36344/ccijemms.2021.v03i06.002.

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The study investigates the impact of electronic banking on the performance of deposit money banks in Nigeria using quarterly data from the first quarter of 2010 the quarter of 2018 from the Central Bank of Nigeria statistical bulletin. It tested the response of the variables of interest, automated teller machine (ATM), point of sale (POS), mobile banking (MOBE), and web pay (WEPA) on net interest margin (NIMA).It employed the use of Jarque Bera normality and diagnostic tests, Augmented Dickey fuller unit root test for stationarity. The result shows that ATM, POS and WEPA are not significant to

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Tscheliesnig, Peter. "More than a Quarterly Century of Acoustic Emission Testing (AT) at TÜV Austria." Advanced Materials Research 13-14 (February 2006): 365–76. http://dx.doi.org/10.4028/www.scientific.net/amr.13-14.365.

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The TÜV Austria (formerly TÜV Vienna) has been testing different structures, mainly pressure equipment, since 1977 with Acoustic Emission. I will not enumerate all the different tests, which are more than 20.000 till today, but I will point out, how the test method has changed on some typical tests over the years. I will also remind you on the different possibilities, which have been offered by the rapid development of the electronic data acquisition and treatment, especially during the last 10 – 15 years.

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Ash-Shiddiqy, Muhammad. "ANALISIS PROFITABILITAS BANK UMUM SYARIAH YANG MENGGUNAKAN RASIO RETURN ON ASSET (ROA) DAN RETURN ON EQUITY (ROE)." Imara: JURNAL RISET EKONOMI ISLAM 3, no. 2 (2019): 117. http://dx.doi.org/10.31958/imara.v3i2.1659.

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The purpose of this study is to understand the difference between Islamic banks' profits beforeand after interest restrictions on conventional bank deposits based on Supervision Acts No. SP-28 DKNS /OJK / 9/2014. The policies of Financial Services Authority can be measured into two profitability ratios:(1) return on assets (ROA), and (2) return on equity (ROE). There were 11 SHARIA banks in Indonesiaselected through purposive sampling technique. Secondary data were the quarterly report of the SHARIABank (six quarters), which focuses on the three quarters before and after implementing the polic

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Agrawal, Anup, and Mark A. Chen. "Analyst Conflicts and Research Quality." Quarterly Journal of Finance 02, no. 02 (2012): 1250010. http://dx.doi.org/10.1142/s2010139212500103.

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This paper examines whether the quality of stock analysts' forecasts is related to conflicts of interest from their employers' investment banking (IB) and brokerage businesses. We consider four aspects of forecast quality: accuracy, bias, and revision frequency of quarterly earnings per share (EPS) forecasts and relative optimism in long-term earnings growth (LTG) forecasts. Using a unique dataset that contains the annual revenue breakdown of analysts' employers among IB, brokerage, and other businesses, we uncover two main findings. First, accuracy and bias in quarterly EPS forecasts appear t

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Rich, Kate, Ronelle Burger, Deanne Goldberg, Harry Moultrie, and Matthias Rieger. "Is it possible to encourage TB testing and detect missing TB cases via community-level promotion of a self-screening mobile application? Quasi-experimental evidence from South Africa." BMJ Health & Care Informatics 32, no. 1 (2025): e101179. https://doi.org/10.1136/bmjhci-2024-101179.

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ObjectivesWhile mobile health (mHealth) interventions are widespread, few studies assess impacts at the population level in low-income and middle-income countries. South Africa’s tuberculosis (TB) burden is high, and a substantial share of cases remain undiagnosed. We evaluate the impacts of community activations of TBCheck—a WhatsApp/USSD-based chatbot that allows individuals to evaluate themselves for TB risk.MethodsWe use a quasi-experimental approach comparing treated and control subdistricts nationally before and after community activations using dashboard data from the TBCheck platform a

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Liang, Xiaojun, Guohua Qian, Yihan Wang, et al. "Annual and Seasonal Variability of Trichloromethane in Drinking Water of Kunshan City 2016–2022 and Associated Health Risks." Toxics 12, no. 12 (2024): 865. http://dx.doi.org/10.3390/toxics12120865.

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This study aimed to evaluate the annual pollution characteristics of trichloromethane (TCM) in Kunshan City’s tap water from 2016 to 2022. This research analyzed 566 tap water samples from centralized water supply units, utilizing the GB 5749-2006 Sanitary Standard for Drinking Water as the evaluation benchmark. Data analysis employed non-parametric tests and Spearman’s correlation analysis using Excel 2017 and SPSS 26.0. The results indicated a 100% compliance rate with the TCM limit (0.06 mg/L), with median annual concentrations ranging from 0.1 to 6.4 μg/L. Significant inter-annual variatio

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Khatua, Sitangshu, and Hemant Kumar Pradhan. "Examining Overreaction in Indian Stock Market for Quarterly News." EMAJ: Emerging Markets Journal 4, no. 1 (2014): 1–16. http://dx.doi.org/10.5195/emaj.2014.57.

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Market Overreaction is a very familiar and age-old craze amongst traders. Pigou (1929) defined it as a ‘conducting rod along which an error of optimism or pessimism, once generated, propagates itself about the business world.’ The question of whether or not Indian stock prices market is overreacted during any stock-specific news is best answered by a comprehensive and concurrent analysis of the various tests and data available while using the event study. This study wants to address the impact of size, volatility and asymmetry in the terms of investors’ overreaction to the firm-specific news n

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Prestemon, Jeffrey P. "Evaluation of U.S. southern pine stumpage market informational efficiency." Canadian Journal of Forest Research 33, no. 4 (2003): 561–72. http://dx.doi.org/10.1139/x02-198.

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The literature on informational efficiency of southern timber markets conflicts. Part of this conflict is because of differences in how efficiency was tested. In this paper, price behavior tests are based on deflated ("real") southern pine (Pinus spp.) sawtimber stumpage prices, using some of the same data and tests used in previous research and some new data and tests. Here, different results are found in many cases regarding price behavior, as compared with the existing literature. Using a valid and consistent data-based model selection procedure, augmented DickeyFuller tests cannot reject

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Zhang, Daowei, and Clark S. Binkley. "The informational efficiency of the Vancouver Log Market and the financial risk of holding logs in storage." Canadian Journal of Forest Research 24, no. 3 (1994): 550–57. http://dx.doi.org/10.1139/x94-072.

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Viewed on an annual or quarterly basis, the Vancouver Log Market appears to process price information efficiently, but apparently does not do so for monthly trading intervals. For the longer holding periods the Vancouver Log Market passes one of the fundamental tests for an efficient market, and as a consequence there are few gains to make by speculating in this market on the basis of technical analysis of past price movements. Explanations for lack of information efficiency in the monthly returns requires further study. Holding logs does not appear to entail a significant amount of systematic

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Prasetyo, Hardi. "PAIRED ORAL TESTS: A LITERATURE REVIEW." LLT Journal: A Journal on Language and Language Teaching 21, Suppl (2018): 105–10. http://dx.doi.org/10.24071/llt.v21isuppl.1220.

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This paper reviews the studies on paired oral tests in the last ten years (2007-2017). Using the search facilities in Iowa State Universitys library, nine articles from some journals in the field of applied linguistics were chosen based on the inclusion criteria. Those journals are Language Testing, Language Assessment Quarterly, Applied Linguistics, and Procedia Social and Behavioral Science. Three reasons why paired oral tests are better than interview test or individual format test are then discussed. Those are promoting and improving students interactional competence, creating students co-

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Mofema, Victor Mbua, and Gisele Mah. "An empirical analysis of volatility in South African oil prices." Journal of Energy in Southern Africa 32, no. 3 (2021): 67–75. http://dx.doi.org/10.17159/2413-3051/2021/v32i3a8852.

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Volatility of the oil price has been around since the 1970s and an understanding of how it evolves provides insight into solving macroeconomic challenges. The main objective of this study was to analyse the volatility of South African oil prices using quarterly time series data from 2000 to 2020. The effect of growth in gross domestic product per capita, interest rate, inflation and money supply growth on oil price changes was assessed. Generalised autoregressive conditional heteroscedasticity (GARCH) was estimated and diagnostic tests – namely ARCH, normality and autocorrelation tests – were

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McDevitt, Joseph L., Rehan S. Quadri, Patrick D. Sutphin, and Mark Reddick. "The Operational and Financial Value of an Interventional Radiology Clinic at a Large, Academic, Tertiary Public Hospital System." Journal of Clinical Interventional Radiology ISVIR 5, no. 01 (2021): 16–21. http://dx.doi.org/10.1055/s-0041-1723045.

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Abstract Purpose To evaluate the operational and financial impact of an interventional radiology (IR) clinic at a tertiary county hospital system. Methods The IR clinic, which opened in January 2017, evaluates outpatient referrals and completes preprocedure workups, nonimage-guided procedures, and postprocedure follow-up visits. Procedural volumes, locations, start times, and end times were analyzed from September 2015 to June 2018, with comparison of pre- and postclinic values by t-tests. Results Relative to the preclinic period, the number of IR cases completed each quarter has increased by

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Gyeltshen, Sherub Kezang, and Dawa Tshegyal. "An Exploratory Study on the Causes of Student Failure in Quarterly Examinations: A Case of Choekhorling Middle Secondary School, Sarpang." International Journal of Social Science and Human Research 08, no. 05 (2025): 3084–92. https://doi.org/10.5281/zenodo.15449608.

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This case study investigates the persistent issue of underperformance among students in quarterly examinations (Classes IV–X) at Choekhorling Middle Secondary School in Sarpang district, Bhutan. Despite a consistent assessment framework, concerns remain among educators, parents, and the wider community regarding the root causes of students' academic struggles. The research explores the shared yet diverse beliefs and assumptions held by key stakeholders—students, teachers, administrators, and parents—about institutional norms, including school rules, routines, academic workloa

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Fan, Yun, Abhijit Barua, William M. Cready, and Wayne B. Thomas. "Managing Earnings Using Classification Shifting: Evidence from Quarterly Special Items." Accounting Review 85, no. 4 (2010): 1303–23. http://dx.doi.org/10.2308/accr.2010.85.4.1303.

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ABSTRACT: McVay (2006) concludes that managers opportunistically shift core expenses to special items to inflate current core earnings, resulting in a positive relation between unexpected core earnings and income-decreasing special items. However, she further notes that this relation disappears when contemporaneous accruals are dropped from the core earnings expectations model. McVay (2006) calls for research to improve the core earnings expectations model and to provide additional cross-sectional tests of classification shifting. Using a core earnings expectations model that is not dependent

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Canace, Thomas G., and Leigh Salzsieder. "The Timing of Asset Purchases to Achieve Earnings Thresholds." Journal of Management Accounting Research 28, no. 1 (2015): 81–106. http://dx.doi.org/10.2308/jmar-51106.

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ABSTRACT This study examines whether managers use capital investment decisions, and the resulting depreciation expense, to achieve quarterly earnings thresholds. We also address whether these actions merely facilitate short-term earnings management or whether firms may trade off investment decisions to deliver earnings. We posit that managers may view capital expenditures as an alternative for earnings considerations because of the process for capital expenditure decision making and the accounting for these investments. Our findings suggest that managers use discretion over capital expenditure

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Salmerón, Sergio, Alonso López-Escribano, Inmaculada García-Nogueras, et al. "Efficiency of Diagnostic Test for SARS-CoV-2 in a Nursing Home." Geriatrics 7, no. 4 (2022): 78. http://dx.doi.org/10.3390/geriatrics7040078.

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Background: there is no consensus on how to optimally use diagnostic tests in each stage of COVID-19 pandemic. The objective of this research is to determine the efficiency of sorting positive antibody test quarterly. Methods: this research uses a retrospective, observational study. COVID-19 diagnostic tests performed and avoided refer to a Spanish nursing home. Population: 261 employees and 107 residents. A quarterly antibody test was performed on subjects who had tested positive during the first wave of coronavirus, and a antibody rapid test on the remaining subjects. Results: during the fir

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Dash, Santosh Kumar. "Is Money Supply Exogenous? Evidence from India." Margin: The Journal of Applied Economic Research 11, no. 2 (2017): 167–95. http://dx.doi.org/10.1177/0973801016689204.

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Against the backdrop of the claim that the rising growth rate of money is one of the major factors behind India’s recent bout of elevated and sticky inflation, this article asks: Is money supply exogenous or endogenous, and can it predict future inflation. This question is investigated using the monetarist framework of inflation. In the empirical analysis of data spanning from 1970–71 to 2009–10, the results of both the monetarist and the error-correction models suggest that money supply accounts for inflation in India. There is also the presence of an error-correction mechanism among money, i

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Abildgren, Kim. "Tail events in the FX markets since 1740." Journal of Risk Finance 15, no. 3 (2014): 294–311. http://dx.doi.org/10.1108/jrf-04-2014-0041.

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Purpose – The purpose of this paper is to explore the extent of the so-called “small-sample problem” within quantitative exchange-rate risk management. Design/methodology/approach – The authors take a closer look at the frequency distribution of nominal price changes in the European foreign exchange markets. Findings – The analysis clearly illustrates the risk of seriously underestimating the probability and magnitude of tail events when frequency distributions are derived from fairly short data samples. Practical implications – The authors suggest that financial institutions and regulators sh

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Co, Annalene Grace E. "Unlocking potential: Enhancing science learning through workbook integration." International Journal of Innovative Research and Scientific Studies 8, no. 1 (2025): 1733–38. https://doi.org/10.53894/ijirss.v8i1.4773.

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This study investigated the effectiveness of using workbooks as supplementary instructional materials to enhance science learning among college students. A quasi-experimental pretest-posttest design was employed with two groups: an experimental group using traditional teaching methods supplemented with workbooks, and a control group receiving traditional instruction only. Data were collected from 68 freshmen students at a state university, including pre-test and post-test scores and academic performance (semi-quarterly and quarterly grades). Paired-samples t-tests and independent samples t-tes

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Sheng, Xuguang, and Jingyun Yang. "Panel Unit Root Tests by Combining Dependent Values: A Comparative Study." Journal of Probability and Statistics 2011 (2011): 1–17. http://dx.doi.org/10.1155/2011/617652.

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We conduct a systematic comparison of the performance of four commonly used value combination methods applied to panel unit root tests: the original Fisher test, the modified inverse normal method, Simes test, and the modified truncated product method (TPM). Our simulation results show that under cross-section dependence the original Fisher test is severely oversized, but the other three tests exhibit good size properties. Simes test is powerful when the total evidence against the joint null hypothesis is concentrated in one or very few of the tests being combined, but the modified inverse nor

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Gourieroux, C., and I. Peaucelle. "Vérification empirique de la rationalité des anticipations de la demande par les entreprises." Recherches économiques de Louvain 53, no. 3 (1987): 223–46. http://dx.doi.org/10.1017/s0770451800043773.

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ABSTRACTIn this paper we perform empirical tests on the expectations of demand made by the firms. We use qualitative panel data from quarterly tendency surveys in industry. We verify the validity of rational expectation hypotheses on aggregated level, according to the economic and size characteristics of the firms and taking into account explicitly the qualitative aspect of individual responses. We study particularly the aggregation problem.

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Butzer, Bethany, Max van Over, Jessica J. Noggle Taylor, and Sat Bir S. Khalsa. "Yoga May Mitigate Decreases in High School Grades." Evidence-Based Complementary and Alternative Medicine 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/259814.

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This study involves an exploratory examination of the effects of a 12-week school-based yoga intervention on changes in grade point average (GPA) in 9th and 10th grade students. Participants included 95 high school students who had registered for physical education (PE) in spring 2010. PE class sections were group randomized to receive either a yoga intervention or a PE-as-usual control condition. The yoga intervention took place during the entire third quarter and half of the fourth quarter of the school year, and quarterly GPA was collected via school records at the end of the school year. R

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Ladaga, Cherry L., and Francis Mervin P. Lamanilao-Agdana. "Indigenized Context-Based Learning Materials in English." International Journal of Multidisciplinary Research and Growth Evaluation 6, no. 4 (2025): 535–39. https://doi.org/10.54660/.ijmrge.2025.6.4.535-539.

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This study examined the effectiveness of indigenized context-based learning materials in improving the English language competency of Mamanwa learners at Cantugas Cultural National High School during the School Year 2023-2024. Guided by the ADDIES model, the materials were developed based on the learners’ culture and daily experiences. Using a one-group pretest-posttest design, learners were assessed quarterly through pre-tests and post-tests, and data were analysed using mean, paired sample t-tests, and repeated measures ANOVA. This study revealed the that the Mamanwa learners had a beginning

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Ali, Ashiq, Lee-Seok Hwang, and Mark A. Trombley. "Accruals and Future Stock Returns: Tests of the Naïve Investor Hypothesis." Journal of Accounting, Auditing & Finance 15, no. 2 (2000): 161–81. http://dx.doi.org/10.1177/0148558x0001500204.

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We explore whether the association between accruals and future returns documented by Sloan (1996) is due to fixation by naïve investors on the total amount of reported earnings without regard for the relative magnitude of the accrual and cash flow components. Contrary to the predictions of the naïve investor hypothesis, we find that the predictive ability of accruals for subsequent annual returns and for quarterly earnings announcement stock returns is not lower for large firms or for firms followed more by analysts or held more by institutions. Further, we find that the ability of accruals to

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Al Rasasi, Moayad H., Soleman O. Alsabban, and Omar A. Alarfaj. "Does Stock Market Performance Affect Economic Growth? Empirical Evidence from Saudi Arabia." International Journal of Economics and Finance 11, no. 9 (2019): 21. http://dx.doi.org/10.5539/ijef.v11n9p21.

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This research paper investigates the impact of stock prices on real economic activity in the Saudi Arabian economy. We utilize various econometric techniques &ndash; Johansen and Juselius&rsquo;s (1990) cointegration tests and Granger&rsquo;s (1969) causality test &ndash; to assess such a relationship, based on quarterly observations spanning the period from the first quarter of 2010 to the fourth quarter of 2018. Our empirical evidence indicates the presence of a significant cointegrating relationship between the two variables being examined; in other words, stock prices have

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Normasyhuri, Khavid, Nuria Erisna, and Panji Aji Setiawan. "The Dynamic of Red Plate Bank's Financial Performance Before and During the Pandemic." Jurnal REKSA: Rekayasa Keuangan, Syariah dan Audit 10, no. 1 (2023): 24–35. http://dx.doi.org/10.12928/jreksa.v10i1.7750.

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The COVID-19 pandemic has disrupted business activities, including the banking industry. The Indonesian State Bank (BNI) might face the same challenges as other banks. However, as a well-established red plate bank, the dynamic of this bank needs to be further investigated to show how the pandemic affects its financial performance. The main objective of this study is to provide empirical evidence on whether the COVID-19 pandemic affects the financial performance of the red plate bank. In doing so, the current researchers conducted a comparative analysis using paired sample t-tests. Time series

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Prakoso, Rezka Bayu, Fanri Andreas, and Amrie Firmansyah. "The Impact Of Mergers On Company Performances In The Banking Sector." Jurnal Pajak dan Keuangan Negara (PKN) 4, no. 2 (2023): 483–91. http://dx.doi.org/10.31092/jpkn.v4i2.1986.

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This study aims to examine the financial performance of PT Bank Oke Indonesia, which carried out the merger in 2017. This study employs financial performance ratios and stock performance as indicators to overview the effect of mergers on company performance. The research data is sourced from quarterly financial reports from the 1st quarter of 2017 to the 4th quarter of 2021 obtained from the company's website. In addition, research data is also sourced from 3-month stock prices within the same period, derived from www.finance.yahoo.com. Financial performance testing employs descriptive statist

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Ananda, Febryandhie, Fajriansyah Fajriansyah, Annisa Annisa, Nova Novita, and Mike Kusuma Dewi. "The Effect of Operating Income and Operating Costs on Net Income." Jurnal Ilmu Manajemen & Ekonomika 17, no. 1 (2024): 13–26. https://doi.org/10.35384/jime.v17i1.597.

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This study aims to determine the effect of operating income and operating costs on net profit at PT Gudang Garam Indonesia Tbk. The type of research used is quantitative research. The data sources in this study are literature studies in related journals and books. The sample of this study was 32 quarterly financial reports from 2016 to 2023. The data analysis techniques used were descriptive static tests, classical assumption tests, multiple linear regression, multiple correlation coefficients, adjusted R2 determination tests, and t-tests. This research was conducted at PT Gudang Garam Tbk. Ba

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Praetz, Peter. "A Note on "Quarterly Returns to Investment in Ordinary Shares, 1919-1970": Two Tests of Market Efficiency." Economica 52, no. 207 (1985): 379. http://dx.doi.org/10.2307/2553860.

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Tuttle, Alfred D., Jennifer L. Beck, Diane K. Willimack, Kevin P. Tolliver, Aryn Hernandez, and Cha-Chi Fan. "Experimenting with Contact Strategies in Business Surveys." Journal of Official Statistics 34, no. 2 (2018): 365–95. http://dx.doi.org/10.2478/jos-2018-0017.

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Abstract The U.S. Census Bureau conducted a series of experiments to evaluate alternative contact strategies. We hoped to identify effective mail strategies that increase timeliness of response and reduce the number of cases receiving more-costly follow-ups. These experiments were incorporated into the collection of several annual business surveys and one quarterly survey. This article summarizes results from five experiments whose designs are based on business survey decision-making and response processes. We obtained clear, positive results from tests involving manipulation of mail sequences

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Ranjpour, Reza, and Takanlou Zahra. "Evaluation of the income convergence hypothesis in ten new members of the European union: A panel unit root approach." Panoeconomicus 55, no. 2 (2008): 157–66. http://dx.doi.org/10.2298/pan0802157r.

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In this paper, different tests of unit root in panel data are implemented for studying real economic convergence and catching-up in ten new members of European Union (EU) toward average EU per capita income and average of ancient members. We used the "EuroStat" quarterly real per capita output data on the period 1995 - 2005. The results support existence of absolute convergence and catching-up processes in sample countries towards EU standards. .

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Mohamed, Abas Omar. "Modeling and Forecasting Somali Economic Growth Using ARIMA Models." Forecasting 4, no. 4 (2022): 1038–50. http://dx.doi.org/10.3390/forecast4040056.

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The study investigated the empirical role of past values of Somalia’s GDP growth rates in its future realizations. Using the Box–Jenkins modeling method, the study utilized 250 in-sample quarterly time series data to forecast out-of-the-sample Somali GDP growth rates for fourteen quarters. Balancing between parsimony and fitness criteria of model selection, the study found Autoregressive Integrated Moving Average ARIMA (5,1,2) to be the most appropriate model to estimate and forecast the trajectory of Somali economic growth. The study sourced the GDP growth data from World Bank World Developme

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Mdloul, Najlaa Salah, Jadoa Shehab Ahmed, and Ahmad Hussein Battal. "Using time series methods to predict the value of agricultural output and some financial indicators affecting it in Iraq for the period (2021q1-2025q4)." Tikrit journal for agricultural sciences 22, no. 1 (2022): 78–95. http://dx.doi.org/10.25130/tjas.22.1.8.

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The aim of the research is to predict the value of agricultural output and some fiscal policy variables using quarterly data from the first quarter of 2021 until the fourth quarter of 2025, through the application of different time series methods (random behavior, general trend, moving averages, simple exponential smoothing, Brown’s method In the exponential smoothing, ARIMA models) on each of the following variables (value of agricultural output, oil prices, government spending, GDP, agricultural investment, agricultural imports), and the results showed that ARIMA (1,0,1) model is the best A

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Pietraszewski, Piotr. "Studying the Stock Market – Economic Activity Nexus in Poland with a VAR‑VECM Approach." Acta Universitatis Lodziensis. Folia Oeconomica 3, no. 348 (2020): 65–89. http://dx.doi.org/10.18778/0208-6018.348.04.

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The paper discusses the links between stock market performance and real economic activity and presents results of an empirical inquiry into dynamic relationships between the main stock index quoted on the Warsaw Stock Exchange (WIG) and GDP in Poland over the years 1995–2019. In many empirical studies for highly developed countries not only short‑run dynamic interactions but also a long‑run cointegrating relationship between the stock index and output have been found. Previous studies for Poland reported mainly short‑run linkages between stock returns and changes of economic activity whereas t

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