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1
Gaylard, Emma K. "Cross-cultural differences in IQ test performance: extension of an existing normative database on WAIS-III test performance." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1002488.
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Prior research (Shuttleworth-Edwards et al., 2004) presented preliminary normative data for the Wechsler Adult Intelligence Scale – III (WAIS-III) for Southern Africa, stratified according to gender (female vs. male), language (black African vs. white English), level of education (matric/12+ years of education vs. Graduate/15+ years of education) and quality of education (disadvantaged – Department of Education and Training vs. advantaged - Private/Model C). IQ scores for black African language and white English Southern Africans were comparable with the United States of America (USA) standardization when level and quality of education were equitable. (‘White English’ is the term used to denote those of European descent whose first language is English). A limitation of the research was the lack of control for language for most of the black groups and particularly in the Private/Model C Graduate group, where sixty percent of the participants originated from Zimbabwe. These represented a particularly elite group whose education was equitable to that of the white participants throughout their education (i.e. at primary, secondary and tertiary level). In order to rectify the lack of homogeneity of language, all non- Xhosa first language participants were excluded from the black sample and sixteen additional Xhosa first language participants were tested on the WAIS-III. Data analyses found no significant differences between the original and new groups, except in the comparison between Mixed African language Private/Model C Graduates and the Xhosa first language Private/Model C Graduate/15+ years of education, where there was a lowering of WAIS-III subtest, index and IQ scores in the newly constituted group. This lowering in test performance is explained in that the new Xhosa first language 15+ years of education group was a less advantaged group than the original Mixed African Language Private/Model C Graduate group, as the new group generally had less advantaged primary school education and had generally studied less at a tertiary level. Overall, these results demonstrate an incremental increase in WAIS-III test performance for sample groups on a continuum of quality of education from least to most advantaged education. This was true for both verbal and non-verbal subtests.
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Halliday, Tracey Jaye. "The Development of a New Zealand Adult Reading Test." The University of Waikato, 2006. http://hdl.handle.net/10289/2494.
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The National Adult Reading Test (NART), developed in Britain is commonly used in clinical settings to estimate premorbid intelligence in New Zealand. Research suggests psychometric tests are more accurate if normed on the population they are used with. This study attempted to establish norms for the original NART based on a New Zealand population and develop a National Adult Reading Test for use with a New Zealand population (NZART). Sixty-four university students were administered the Wechslers Abbreviated Scale of Intelligence (WASI), the NART and the New Zealand Adult Reading Test (NZART). A regression equation was developed to estimate premorbid intelligence in this sample. Results indicate fewer errors occur on the NZART than the NART suggesting it may be a better indicator of premorbid intelligence for a New Zealand sample. Furthermore, the NZART was more accurate at estimating premorbid WASI IQ across all three subscales of the WASI at a range of IQ levels. Analyses were also conducted to ascertain the impact of demographic variables. Little overall difference was found in test scores in relation to gender, age or income. Although future studies need to be conducted to validate this new measure, initial results suggest that the NZART may be a more accurate predictor of premorbid IQ in a New Zealand population.
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Aston, Susan. "A qualitative bias review of the adaptation of the WAIS-III for English-speaking South Africans." Thesis, Nelson Mandela Metropolitan University, 2006. http://hdl.handle.net/10948/453.
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In response to the growing demand for a test of cognitive ability for South African adults, the Human Sciences Research Council (HSRC) adapted the Wechsler Adult Intelligence Scales, third edition (WAIS-III) for English-speaking South Africans. However, since the publication of the South African adaptation in 2001, there has been some concern whether some bias may not still be present in the measure. Consequently, this study aimed to qualitatively explore the item content of the South African adaptation of the WAIS-III in order to identify items that might still be potentially biased with specific reference to cultural and linguistic issues. The researcher employed purposive sampling, a non-probability technique, to select psychology professionals to act as expert reviewers. The sample consisted of 20 registered psychologists, psychology lecturers and psychology interns from the predominant culture and language groups of the Eastern and Western Cape. Qualitative and quantitative data were collected by means of a Bias Review Questionnaire which consisted of fixed-choice questions, as well as sections in which specific comments could be indicated. The questionnaire was distributed to 20 selected participants who were qualified to administer psychometric measures and were registered with the Health Professionals Council of South Africa (HPCSA). Qualitative data was analysed using Tesch’s model of thematic content analysis, and five main themes relating to potential bias were identified, namely: Culture, Language, Education, Socio-economic status, and Format. The qualitative data was re-submitted to the expert review group for approval and further comment. Quantitative data obtained from the Bias Review Questionnaire was analysed by obtaining frequency counts, which were converted to percentages, per subtest and aspect reviewed. The major findings of the study were as follows: 1. Cultural bias is evident in the South African adaptation of the WAIS-III. The differential meanings ascribed to concepts, terms, phrases and words by diverse cultures impact on test performance, as does familiarity with stimulus materials used in the measure. 2. Language bias was detected against groups with English as their second or third language owing to the unfamiliar, and sometimes archaic, terms and vocabulary used in the measure. The intended meanings of the translated items are unclear and confusing for test-takers. 3. South African test-takers have experienced vastly divergent educational opportunities which impact on intelligence test performance. The measure contains potential bias against individuals from disadvantaged educational backgrounds. 4. The content of the items is not relevant to test-takers from deprived socioeconomic backgrounds that have been unable to access good-quality education. 5. Format bias was found to exist with respect to the timed tests. Cultural groups who do not value speededness are disadvantaged by the structure and format of the measure. Based on the findings of this study, certain recommendations were made. These include: 1. Additional qualitative investigation of the WAIS-III , with a view to further adaptation in an effort to eradicate bias on cultural or linguistic grounds, and 2. Conducting further Differential Item Functioning (DIF) analyses and establishing construct equivalence across cultural and linguistic groups to promote this objective. Among the contributions believed to have been made by this study are the identification of potentially biased subtests and items on the grounds of culture and language, which will facilitate possible further revision and adaptation of the measure. Additionally, the variables that were considered important influencing factors of cognitive test performance have been documented and are accessible for future research that will supplement the present study.
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Wheeler, Thomas E. "An examination of the Wechsler Adult Intelligence Scale (WAIS) subtests from a neuopsychological perspective." Virtual Press, 1987. http://liblink.bsu.edu/uhtbin/catkey/487343.
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The primary purpose of this study was to determine the kind of neuropsychological information that can be obtained from an investigation of the Wechsler Adult Intelligence Scale (WAIS) subtests. Additionally, there was an examination of the shared variance between the WAIS and the Halstead-Reitan Neuropsychological Battery (HRNB). The archival data collected from the files of '220 females and 188 males from a large midwestern medical center were used. They had been originally diagnosed with objective research criteria.All eleven subtests of the WAIS and the HalsteadReitan Neuropsychological Battery were administered to the subjects in the years between 1981 and 1983. Thirteen scores were obtained from the HRNB measures. Statistical analyses of the results made use of the techniques of multiple regression and canonical correlation.The individual WAIS subtests were examined for the neuropsychological information they provided. Globally, three HRNB measures, APHASIA, RHY, AND CAT-TOT contributed significantly to a majority of the regression equations for the WAIS subtests. Their presence suggested that language skills, an auditory attention factor, and a general intellective factor were being tapped (Dean, 1985a).A canonical correlation was computed. The results yielded one significant correlation between the linear components of the WAIS and the HRNB tests. Only canonical variates with weights of +/- .2 were considered large enough for interpretation. The WAIS subtests meeting the .2 criteria included Block Design, Digit Symbol, and Similarities, while the HRNB measures meeting criteria were APHASIA and CAT-TOT. Therefore, it would appear that the significant variables measured the general (g) factor as in Spearman's research (1927). According to the Stewart and Love formula (cited in Pedhazur, 1982), the variability of the WAIS did overlap with the HRNB, and their relationship was symmetrical.This research demonstrated that the measured tasks from the WAIS were a complex of underlying constructs. The verbal portion of the WAIS was shown to be less highly related to the HRNB variables than the performance portion of the scale. The WAIS and HRNB do offer nonredundant information concerning the impaired and unimpaired adult's cognitive functioning.
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Metz, Brittany Leigh. "A comparison of the WJ-III Test of Cognitive Abilities and WAIS-III." Huntington, WV : [Marshall University Libraries], 2005. http://www.marshall.edu/etd/descript.asp?ref=627.
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野口, 裕之, and Hiroyuki Noguchi. "パーソナルコンピュータをベースにした識別性検査に対する受験者の反応." 名古屋大学教育学部, 1994. http://hdl.handle.net/2237/3932.
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野口, 裕之, and Hiroyuki Noguchi. "識別性検査A‐1001の「関係判断力・応用力」領域および「記憶」領域の適応型テスト化の試み." 名古屋大学教育学部, 1997. http://hdl.handle.net/2237/2864.
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野口, 裕之, and Hiroyuki Noguchi. "識別性検査 A-1001 の「知覚の速さ・正確さ」領域の IRT 尺度化." 名古屋大学教育学部, 1995. http://hdl.handle.net/2237/3956.
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野口, 裕之, and Hiroyuki NOGUCHI. "<原著>識別性検査 A-1001 の「関係判断力・応用力」領域および「記憶」領域の IRT 尺度化." 名古屋大学教育学部, 1996. http://hdl.handle.net/2237/3991.
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野口, 裕之, and Hiroyuki NOGUCHI. "パーソナル・コンピュータをベースとする識別性検査A-1001用項目プールの作成." 名古屋大学教育学部, 1993. http://hdl.handle.net/2237/3906.
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Van, der Merwe Adele. "A comparison of WISC-IV test performance for Afrikaans, English and Xhosa speaking South African grade 7 learners." Thesis, Rhodes University, 2008. http://hdl.handle.net/10962/d1002585.
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his study builds on South African cross-cultural research which demonstrated the importance of careful stratification of multicultural/multilingual normative samples for quality of education in respect of English and African language (predominantly Xhosa) speaking adults and children tested with the WAIS-III and WISC-IV, respectively. The aim of the present study was to produce an expanded set of preliminary comparative norms on the WISC-IV for white and coloured Afrikaans, white English and black Xhosa speaking Grade 7 children, aged 12 to 13 years, stratified for advantaged versus disadvantaged education. The results of this study replicate the findings of the prior South African cross-cultural studies in respect of quality of education, as groups with advantaged private/former Model C schooling outperformed those with disadvantaged former DET or HOR township schooling. Furthermore, a downward continuum of WISC-IV IQ test performance emerged as follows: 1) white English advantaged (high average), 2) white Afrikaans advantaged and black Xhosa advantaged (average), 3) coloured Afrikaans advantaged (below average), 4) black Xhosa disadvantaged (borderline), and 5) coloured Afrikaans disadvantaged (extremely low). The present study has demonstrated that while language and ethnic variables reveal subtle effects on IQ test performance, quality of education has the most significant effect – impacting significantly on verbal performance with this effect replicated in respect of the FSIQ. Therefore caution should be exercised in interpreting test results of individuals from different language/ethnic groups, and in particular those with disadvantaged schooling, as preliminary data suggest that these individuals achieve scores which are 20 – 35 points lower than the UK standardisation.
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Verney, Steven P. "Pupillary responses index : information processing efficiency across cultures /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2000. http://wwwlib.umi.com/cr/ucsd/fullcit?p9992386.
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Gobbi, Erika Beatriz. "Gerontological Intelligence Test." Cleveland State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=csu1441318206.
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Steffey, Dixie Rae. "The relationship between the Wechsler Adult Intelligence Scale - Revised and the Stanford-Binet Intelligence Scale: Fourth Edition in brain-damaged adults." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184412.
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This study investigated the relationship between the Wechsler Adult Intelligence Scale-Revised (WAIS-R) and the Stanford-Binet Intelligence Scale: Fourth Edition (SBIV) in a brain-damaged adult sample. The sample in this study was composed of 30 adult patients at two residential treatment programs who completed comprehensive psychological evaluations between August, 1986 and November, 1987. Each patient was administered both the WAIS-R and the SBIV as part of these evaluations. Data gathered in this study was submitted to Pearson product moment correlational statistical procedures. Significant correlations were found in the following pairs of summary scores: the SBIV Test Composite Standard Age Score (SAS) and the WAIS-R Full Scale IQ; the SBIV Abstract/Visual Reasoning Area SAS and the WAIS-R Performance IQ; the SBIV Quantitative Reasoning Area SAS and the WAIS-R Verbal Scale IQ; the SBIV Verbal Reasoning Area SAS and the WAIS-R Verbal Scale IQ; the SBIV Short-Term Memory Area SAS and the WAIS-R Verbal Scale IQ; and the SBIV Short-Term Memory Area SAS and the WAIS-R Full Scale IQ. Significant correlations were also found in the following pairs of individual subtest results: the SBIV and WAIS-R Vocabulary subtests; the SBIV Memory for Digits subtest and the WAIS-R Digit Span subtest; the SBIV Pattern Analysis subtest and the WAIS-R Block Design subtest; and the SBIV Paper Folding and Cutting subtest and the WAIS-R Picture Arrangement subtest. Directions for future research were also suggested upon review of the subtest correlation matrix and the descriptive statistics of data generated.
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Johnson, Gia Daneka Kimbrough Witte Maria Margarita. "Learning styles and emotional intelligence of the adult learner." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Educational_Foundations,_Leadership_and_Technology/Dissertation/Johnson_Gia_27.pdf.
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Donnelly, Martin Joseph Rhodes. "The effects of level and quality of education on a South African sample of English and African first language speakers, for WAIS-III digit symbol-incidental learning." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1002474.
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This study examined the effects of level and quality of education on WAIS-III Digit Symbol-Incidental Learning performance. The Pairing and Free Recall measures were administered to a South African sample (N = 68, age range 19-30), which was stratified for English and African language, level of education attained (Grade 12s and Graduates) and quality of education (advantaged and disadvantaged schooling). Results yielded no significant main or interaction effects between acculturation factors of level and quality of education. Normative guidelines of 13 or more pairs and 8 or more free recall symbols, appropriate to a non-clinical sample in a multicultural setting, are provided. Digit Symbol-Incidental Learning proved to be a culture-fair test, which contributes to its clinical utility as a sensitive memory screening tool.
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Rust, Annegret L. "The development of a WAIS-III short form for use in South Africa." Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1002556.
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The Wechsler Adult Intelligence Scale - 3rd Edition (WAIS-III) is the newest of the internationally recognised Wechsler family of intelligence tests. It has been improved in terms of its psychometric properties, neuropsychological assessment abilities and its content. This test is in the process of being standardised by the Human Sciences Research Council (HSRC) in South Africa. As the adapted South African version will be available shortly for use in the multicultural circumstances of South Africa, the application of the various aspects of this test needs to be investigated. This test is very comprehensive and thorough, however its one disadvantage is that it takes on average three hours to administer in its entirety. Thus there is a need to find ways in which to abbreviate the test for particular purposes when time is limited, for example in research, brief clinical assessments or neuropsychological screenings. The concept of abbreviating tests, including the earlier Wechsler intelligence test can be traced back to 1917, when it was asked if all the items on the Binet-Simon scale were required to give an accurate assessment of IQ (Levy, 1968). Since then there have been many short form suggestions made, with many different considerations in mind. These can be divided into two main approaches or methods. Firstly, the number of subtests of the scale can be reduced. Thus with the WAIS-III which consists of 14 subtests in total, an option is to use, for example only four of the subtests to get an estimate of a person's IQ. Secondly, the number of items in each subtest can be reduced. Thus only half the items or even only a third of the items on a subtest can be administered to get an estimate of the persons' performance on each subtest and in this way estimate their overall IQ. Both methods have been used on the WAIS and WAIS-R, although the reduction of the subtests is favoured. Both should now be validated and considered for use with the WATS-III in South Africa. Wechsler tests and their constituent subtests have been found to be differentially effected by race, education, language and socio-economic status (Kaufman, McLean & Reynolds, 1988; Nell 1999). These differences have also been found to impact on the short forms which are suggested, as certain subtests are considered to be more biased towards particular groups than others. Vocabulary and Block Design in particular bias testees who are not as westernised or acculturated towards a largely American and European culture (Kaufman, McLean & Reynolds, 1988). These differences, although often ascribed to race, language or socio-economic status can best be understood more broadly in terms of degree of acculturation (i.e. westernisation) (Shuttleworth-Jordan, 1996) and test-wiseness (Nell, 1999). In South Africa in particular, with its extreme cultural diversity these factors need to be carefully considered when developing short forms. In the present study the development of a short form appropriate to South Africa's diverse cultural circumstances will be approached, through a sample which has been stratified according to gender, first language (English vs. African), quality of schooling received (Private/Model C vs. DET) and level of education achieved (Matric vs. Graduate). Both a subtest reduction method and an item reduction method will be considered to arrive at a short form. The subtest reduction method will be considered further in an attempt to clarify which subtests would be more or less appropriate to include in a short form considering group differences. Finally the thesis will develop suggestions as to which short forms would be best for use in South Africa.
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Adkins, Carrie M. "The correlation between Wechsler Adult Intelligence Scale III and Woodcock-Johnson III Cognitive Abilities and WJ III achievement for college students which is a better predictor of reading achievement? /." Huntington, WV : [Marshall University Libraries], 2006. http://www.marshall.edu/etd/descript.asp?ref=687.
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Kemp, Ryan. "An investigation into the effects of socio-economic and education factors on WAIS-III performance in a stratified South African sample." Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1002511.
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The present study examined the effects of socio-economic status, quality and level of education on performance on the Wechsler Adult Intelligence Scale 3rd Edition r.:w AIS-III). The study was conducted within the context of the present Human Sciences Research Council (HSRC) W AIS-III standardisation process, cross-cultural psychometric research and the notion of test-wiseness. A South African sample (N = 68) comprising African first language (n = 40) and English first language (n = 28) participants, stratified for age (19 - 30 years), gender and educational attainment (Matric and Graduate) were utilised. Effects due to quality of education were determined by dividing the African language participants into those with private/model C schooling (n = 20) and those with DET schooling (n = 20). Effects due to level of education were determined by dividing the entire sample into those with Matric level education (n = 34) and those with Graduate level education (n = 34). Detailed demographic and socio-economic information were recorded for all participants, who completed the entire American version of the W AIS-III. Results revealed a highly significant positive correlation between high socio-economic status and W AIS-III Full Scale IQ. In addition the respective impact of the relatively poor quality of education and lower level of educational attainment on W AIS-III performance was substantial. These results were discussed in terms of their implications for cross-cultural research, the HSRC standardisation of the W AIS-III and the practical use of the W AIS-III in neuropsychological assessment.
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Muirhead, Joanne. "An investigation of male and female cognitive ability on the WAIS-III." Thesis, Rhodes University, 2000. http://hdl.handle.net/10962/d1002537.
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This study, which formed part of a larger research project, investigated the effect of gender on test performance on the Wechsler Adult Intelligence Scale - Third Edition (WAIS-III). The WAIS-III was administered to a sample of 68 participants in the Eastern Cape following the initiative of the Human Sciences Research Council to standardise the WAIS-III for a South African population. The participants, aged 19 to 30, were stratified according to language of origin (African or English First Language), educational attainment (matriculant or graduate), quality of education (Department of Education and Training or private/"Model C" school) and gender. Analyses of variance and two sample t tests were used to compare male and female test performance. For the total sample, no significant difference between males and females on Verbal, Performance and Full Scale IQ were found. On the factor indices, females scored marginally higher than males on Processing Speed at a level which was approaching significance (p = 0.105), but no significant differences were found. On subtest performance, females significantly outperformed males on Digit Symbol (p = 0.020). Differences which were approaching significance were found on Information (p = 0.133) in favour of males, and on Matrix Reasoning (p = 0.092) in favour of females. For subgroups of the total sample, the most significant differences in test performance were found for the African First Language private/"Model C" school cohort in favour of females. Thus the overriding implication that emerged from this research was that on this relatively highly educated sample, no significant gender differences in cognitive ability were apparent.
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Brown, William Howard. "Using the Wechsler Adult Intelligence Scale-Revised to predict vocational aptitudes of adolescents with learning disabilities." Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/38660.
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Recent national longitudinal studies of special education students indicate that schools should concentrate on developing students' skills matched to the requirements of their potential occupations. Evidence suggests that the experience of career development among adolescents with learning disabilities is especially frustrating without early exploration and planning. This study investigates the value of using available psychometric data in assisting the school psychologist and other professionals to make initial exploratory estimates of vocational aptitude without referring the student for specialized vocational assessment.
General Aptitude Test Battery (GATB) and Wechsler Adult Intelligence Scale-Revised (WAIS-R) scores were used in multiple regression analyses to examine the predictive relationships existing between the two instruments. The population studied included 172 adolescents wi th learning disabilities enrolled in a public school division. The analyses in this study reveal a high degree of validity between the GATB and WAIS-R. However, the prediction equation appears unsuitable for using the WAIS-R subtests for predicting GATB aptitudes. Aptitude F explains the highest degree of variance. Other squared multiple regressions range as low as .13 for Aptitude Q to as high as .52 for Aptitude S. Results suggest that even though the GATB and WAIS-R share common variance, there is enough independent information provided by each test to warrant employing both in order to insure that the students' vocational aptitudes are fully diagnosed. Implications for school psychologists and other professionals doing exploratory assessments of vocational aptitude from available WAIS-R subtests are discussed, as are assessment issues regarding adolescents with learning disabilities.Ph. D.
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Silva, Daniel Minahim Araujo da. "Transtorno de déficit de atenção e hiperatividade em superdotados: um estudo de frequência de sintomas e alterações físicas menores." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/5/5142/tde-01042014-092229/.
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INTRODUÇÃO: Os dados anteriores sobre a frequência de sintomas de TDAH na população de alto QI ainda são escassos e contraditórios, principalmente no topo da curva. OBJETIVO: Avaliar a frequência e o padrão de sintomas de TDAH em indivíduos superdotados durante dois momentos distintos do ciclo de vida, aplicando escalas padronizadas. Além disso, testamos se uma associação entre anomalias físicas menores e TDAH pode ser encontrada em adultos superdotados. MÉTODOS: Dois estudos transversais foram realizados em indivíduos previamente avaliados para QI com as Matrizes Progressivas de Raven: (1) Mensa: Este estudo incluiu 77 participantes adultos (22% mulheres) recrutados a partir dos registros de membros ativos da Mensa Brasil que vivem em São Paulo. A escala ASRS-18 e uma versão modificada da escala Waldrop para pequenas anomalias físicas foram aplicadas; (2) Colégio Objetivo: Foram incluídas todas as crianças do primeiro ao quinto ano do ensino fundamental (6-11 anos de idade) que estavam acima do percentil 99 para o QI (n = 39). O grupo controle incluiu 39 colegas de classe selecionados aleatoriamente entre aqueles abaixo do percentil 90 para QI pareados por idade e sexo. Os professores avaliaram os participantes usando o MTA-SNAP-IV. RESULTADOS: (1) Mensa: A frequência estimada do TDAH foi de 37,8 %. O número total de anomalias físicas menores foi significativamente associado com TDAH (p < 0,001) e 8 dos 36 sinais avaliados apresentaram esta associação individualmente (p < 0,05); (2) Colégio Objetivo: Obtivemos uma frequência de TDAH de 25,6% no grupo controle e 17,9% no grupo de indivíduos de alto QI (OR = 0,64, p = 0,58).CONCLUSÃO: Embora nossos dados não confirmem inequivocamente a maior prevalência de TDAH em indivíduos de alto QI durante o ciclo de vida, eles sugerem a validade do diagnóstico nesta população. Na população da Mensa, foi encontrada uma associação entre os casos de TDAH e anomalias físicas menores, apoiando ainda mais a noção de que o TDAH é um transtorno do neurodesenvolvimentoINTRODUCTION: Previous data on the frequency of symptoms of ADHD in high IQ population are still scarce and contradictory, especially at the top of the curve. OBJECTIVE: To evaluate the frequency and pattern of symptoms of ADHD in intellectually gifted individuals during two distinct moments of their life cycle, using standardized scales. In addition, we tested whether an association between minor physical anomalies and ADHD may be found in intellectually gifted adults. METHODS: Two cross-sectional studies were conducted in participants who had been previously evaluated for IQ\'s with Raven\'s Progressive Matrices: (1) Mensa: This study included 77 adult participants (22% women) recruited from the records of active members of Mensa Brazil living in São Paulo. The ASRS-18 and a modified version of Waldrop\'s scale for minor physical anomalies were applied; (2) Elementary school: All children from first to fifth year of elementary school (6-11 years old) who were above the 99th IQ percentile (n=39) were included. The control group included 39 classmates randomly selected among those below the 90th IQ percentile matched for age and sex. Teachers rated participants using MTA-SNAP-IV. RESULTS: (1) Mensa: The estimated frequency of ADHD was 37.8%. The total number of minor physical anomalies was significantly associated with ADHD (p < 0.001) and 8 of the 36 evaluated signs showed this association individually (p < 0.05). (2) Elementary school: A Rate of 25.6% of ADHD was found in the control group and 17.9% in the group of talented individuals (OR=0.64, p=0.58). CONCLUSION: Although our data do not unequivocally confirm the higher prevalence of ADHD in gifted individuals throughout their life cycles, they suggest the validity of the diagnosis in this population. An association between ADHD cases and minor physical anomalies was found in the Mensa population, further supporting the notion that ADHD is a neurodevelopmental condition
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Gaylard, Emma K. "Cross-cultural differences in IQ test performance : extension of an existing normative database on WAIS-III test performance /." 2005. http://eprints.ru.ac.za/504/.
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Schoeman, Adele. "The relationship between learning potential, English language proficiency and work-related training test results." Diss., 2002. http://hdl.handle.net/10500/770.
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Continuous change and competition in the working environment necessitate increased
efficiency and productivity which require different and enhanced skills and abilities. It is
therefore important that the right people with the right skills are selected and employees are
developed to enable them to meet the organisational and national demands of the future.
This dissertation investigates the relationship between learning potential, English
language proficiency and work-related training test results to establish why some production
employees perform better on work-related training test results than others.
The results indicate that there is no significant relationship between the work-related training
test results and either learning potential or English language proficiency. There is, however, a
significant correlation between learning potential and English language proficiency. It might be
worthwhile exploring the availability and adequacy of assessors
as well as the motivational level of the production employees as factors that influence the
progress made with work-related training test results.Industrial and Organisational Psychology
MCOM (Industrial Psychology)
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Mphokane, Adelaide. "The predictive validity of learning potential and English language proficiency for work performance of candidate engineers." Diss., 2014. http://hdl.handle.net/10500/14410.
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The aim of this research was (1) to provide empirical data of learning potential and English language proficiency for work performance; (2) to establish whether race and gender influence work performance; (3) to evaluate practical utility and to propose recommendations for selection purposes. The Learning Potential Computerised Adaptive Test and the English Literacy Skills Assessment were used as measuring instruments to measure learning potential and English language proficiency respectively. Work performance data were obtained from the normal performance data system of the company where the research was conducted. ANOVA results showed differences between race and gender groupings. A regression analysis confirmed the predictive validity of learning potential and English language proficiency on work performance. The Spearman rho correlation coefficient (p < 0.05) showed a significant positive correlation between the investigated variablesIndustrial & Organisational Psychology
M. A. (Industrial & Organisational Psychology)
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"Feasibility of developing a vocabulary subtest and integrating it into the Wechsler Adult Intelligence Scale-Revised (WAIS-R) in Hong Kong." Chinese University of Hong Kong, 1992. http://library.cuhk.edu.hk/record=b5886987.
Full textAbstract:
by Sonia Suk Yi Chang.Thesis (M.S.S.)--Chinese University of Hong Kong, 1992.
Includes bibliographical references (leaves 62-66).
ABSTRACT --- p.ii
ACKNOWLEDGEMENTS --- p.iv
TABLE OF CONTENTS --- p.v
LIST OF TABLES --- p.vii
LIST OF FIGURES --- p.viii
LIST OF APPENDICES --- p.ix
STATEMENT OF ORIGINALITY --- p.x
Chapter CHAPTER I - --- INTRODUCTION --- p.1
Chapter CHAPTER II - --- LITERATURE REVIEW --- p.4
Development of Psychological Tests --- p.4
The Vocabulary subtest --- p.10
Wechsler Scales in Hong Kong --- p.15
The Wechsler Adult Intelligence Scale-Revised for China (WAIS-RC) --- p.21
Chapter CHAPTER III - --- METHOD AND DESIGN --- p.27
Study one: Developing the local Vocabulary subtest --- p.29
Study two: Testing the difference between oral and written administration of the test --- p.31
Study three: Correlation study and validity study of the re-arranged vocabulary subtest --- p.33
Chapter CHAPTER IV - --- RESULTS --- p.36
Study one --- p.36
Study two --- p.41
Study three --- p.44
Chapter CHAPTER V - --- DISCUSSION --- p.55
Development of the vocabulary subtest --- p.55
Correlation study of the re-arranged vocabulary subtest --- p.57
Limitation of the study --- p.58
Implication for future work --- p.60
Conclusion --- p.61
REFERENCES --- p.62
APPENDICES --- p.67