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Direct linkQuigley, Jean; Nixon, Elizabeth – Journal of Child Language, 2020
Research on sources of individual difference in parental Infant-Directed Speech (IDS) is limited and there is a particular lack of research on fathers' compared to mothers' speech. This study examined the predictive relations between infant characteristics and variability in paternal lexical diversity (LD) in dyadic free play with two-year-olds (M…
Descriptors: Fathers, Infants, Parent Child Relationship, Speech Communication
Tillmann, J.; Ashwood, K.; Absoud, M.; Bölte, S.; Bonnet-Brilhault, F.; Buitelaar, J. K.; Calderoni, S.; Calvo, R.; Canal-Bedia, R.; Canitano, R.; De Bildt, A.; Gomot, M.; Hoekstra, P. J.; Kaale, A.; McConachie, H.; Murphy, D. G.; Narzisi, A.; Oosterling, I.; Pejovic-Milovancevic, M.; Persico, A. M.; Puig, O.; Roeyers, H.; Rommelse, N.; Sacco, R.; Scandurra, V.; Stanfield, A. C.; Zander, E.; Charman, T. – Journal of Autism and Developmental Disorders, 2018
Research on sex-related differences in Autism Spectrum Disorder (ASD) has been impeded by small samples. We pooled 28 datasets from 18 sites across nine European countries to examine sex differences in the ASD phenotype on the ADI-R (376 females, 1763 males) and ADOS (233 females, 1187 males). On the ADI-R, early childhood restricted and…
Descriptors: Gender Differences, Age Differences, Diagnostic Tests, Observation
Harrison, Allyson G.; Holmes, Alana; Silvestri, Robert; Armstrong, Irene T. – Journal of Psychoeducational Assessment, 2015
Miller et al. have challenged the findings of our two previous studies, based largely on the assumption that our findings are biased due to the clinical sample used. However, they fail to address the primary tenet of our studies, namely, that clinicians will obtain different scores on the Wechsler Adult Intelligence Scale-IV (WAIS-IV) depending on…
Descriptors: Intelligence Tests, Adults, Test Norms, Scores
Harrison, Allyson G.; Holmes, Alana; Silvestri, Robert; Armstrong, Irene T. – Journal of Psychoeducational Assessment, 2015
Building on a recent work of Harrison, Armstrong, Harrison, Iverson and Lange which suggested that Wechsler Adult Intelligence Scale-Fourth Edition (WAIS-IV) scores might systematically overestimate the severity of intellectual impairments if Canadian norms are used, the present study examined differences between Canadian and American derived…
Descriptors: Intelligence Tests, Test Norms, Differences, Scores
Weiss, Lawrence G.; Gregoire, Jacques; Zhu, Jianjun – Journal of Psychoeducational Assessment, 2016
Many Flynn effect (FE) studies compare scores across different editions of Wechsler's IQ tests. When construct changes are introduced by the test developers in the new edition, however, the presumed generational effects are difficult to untangle from changes due to test content. To remove this confound, we use the same edition of Wechsler…
Descriptors: Generational Differences, Intelligence Tests, Comparative Analysis, Scores
Cressman, Markus N.; Liljequist, Laura – Journal of Learning Disabilities, 2014
The "Woodcock-Johnson III" Tests of Achievement grade norms versus age norms were examined in the calculation of discrepancy scores in 202 college students. Difference scores were calculated between the "Wechsler Adult Intelligence Scale-3rd Edition" Full Scale IQ and the "Woodcock-Johnson III" Total Achievement,…
Descriptors: Achievement Tests, College Students, Norms, Age
Windsor, Tim D.; Curtis, Rachel G.; Luszcz, Mary A. – Developmental Psychology, 2015
Having a sense of purpose is recognized as an important resource for maintaining health and well-being over the life span. We examined associations of individual differences in sense of purpose with levels and rates of change in indices of aging well (health, cognition, and depressive symptoms) in a sample of 1,475 older adults (M[subscript age] =…
Descriptors: Aging (Individuals), Well Being, Individual Differences, Scores
Download full textHumpage, Sarah; Álvarez-Marinelli, Horacio – Society for Research on Educational Effectiveness, 2014
Computers have taken an increasingly prominent role in education around the world in recent years in developed and developing countries alike. As developing country governments have turned their focus from increasing enrollment to improving the quality of education in their schools, many have made access to computers a key component to their…
Descriptors: Foreign Countries, Computer Uses in Education, English (Second Language), Second Language Learning
Flynn, James R. – Intelligence, 2010
The ranking of Wechsler subtests in terms of their "g" loadings is equivalent to ranking them in terms of the cognitive complexity of the tasks measured. Lower performing groups do not always fall behind higher performing groups the more complex the task. But that is the general rule, no matter whether the cause of the lower performance…
Descriptors: Intelligence Quotient, Genetics, Intelligence Tests, Race
Zhou, Xiaobin; Zhu, Jianjun; Weiss, Lawrence G. – Journal of Psychoeducational Assessment, 2010
This study investigated the Wechsler Performance IQ (PIQ) or Perceptual Reasoning Index (PRI)/ Perceptual Organization Index (POI) change over time and its relation to ability levels. PIQ or PRI/ POI was analyzed because of the known sensitivity of nonverbal scales to the Flynn effect. Scores were analyzed using two methods. First, analysis of…
Descriptors: Intelligence Quotient, Intelligence Tests, Age Differences, Change
Dahlin, Karin I. E. – Journal of Education and Learning, 2013
Working Memory (WM) has a central role in learning. It is suggested to be malleable and is considered necessary for several aspects of mathematical functioning. This study investigated whether work with an interactive computerised working memory training programme at school could affect the mathematical performance of young children. Fifty-seven…
Descriptors: Short Term Memory, Mathematics Achievement, Attention Deficit Hyperactivity Disorder, Computer Assisted Instruction
Johnson, Wendy; Bouchard, Thomas J., Jr. – Intelligence, 2007
Recent work with the 42 mental ability tests administered to participants of the Minnesota Study of Twins Reared Apart (MISTRA) has suggested that there are important dimensions of mental ability that function independently of "g". Two of these dimensions, rotation-verbal and focus-diffusion, appear to involve trade-offs: greater…
Descriptors: Cognitive Ability, Verbal Ability, Brain, Intelligence
Longman, R. Stewart; Saklofske, Donald H.; Fung, Tak S. – Assessment, 2007
Tables are presented for the Wechsler Adult Intelligence Scale-Third Edition (WAIS-III) IQ and index scores by education level for both the U.S. and Canadian normative samples. This allows clinicians to provide more accurate identification of relative strengths or weaknesses, compared to expectations from an individual's background, rather than…
Descriptors: Adolescents, Indexes, Scores, Tables (Data)
Peer reviewedGregoire, Jacques – International Journal of Testing, 2001
Studied the factors underlying the aging effects seen on the Wechsler Intelligence Scale for Adults-Revised (WAIS-R) and the scale's third edition (WAIS-III) using the French standardization samples of 1,104 for the WAIS-III and 1,000 for the WAIS-R. Results show that the observed decline in scores for both tests cannot be fully explained with a…
Descriptors: Adults, Age Differences, Foreign Countries, Intelligence Tests
Peer reviewedMorgan, Anna W.; Sullivan, Susan A.; Darden, Cindy; Gregg, Noel – Journal of Learning Disabilities, 1997
This study involving 30 college students with learning disabilities and 30 students without learning disabilities (ages 18-30) compared results obtained on the Wechsler Adult Intelligence Scale-Revised and the Kaufman Adolescent and Adult Intelligence Test. Results found no significant differences between the two groups or between tests.…
Descriptors: Cognitive Ability, Cognitive Measurement, College Students, Intelligence Differences
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