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Studies have suggested that language and executive function (EF) are strongly associated. Indeed, the two are difficult to separate, and it is particularly difficult to determine whether one skill is more dependent on the other. Deafness provides a unique opportunity to disentangle these skills because in this case, language difficulties have a sensory not cognitive basis. In this study, deaf (n = 108) and hearing (n = 125) children (age 8 years) were assessed on language and a wide range of nonverbal EF tasks. Deaf children performed significantly less well on EF tasks, even controlling for nonverbal intelligence and speed of processing. Language mediated EF skill, but the reverse pattern was not evident. Findings suggest that language is key to EF performance rather than vice versa.

It has been claimed that working memory training programs produce diverse beneficial effects. This article presents a meta-analysis of working memory training studies (with a pretest-posttest design and a control group) that have examined transfer to other measures (nonverbal ability, verbal ability, word decoding, reading comprehension, or arithmetic; 87 publications with 145 experimental comparisons). Immediately following training there were reliable improvements on measures of intermediate transfer (verbal and visuospatial working memory). For measures of far transfer (nonverbal ability, verbal ability, word decoding, reading comprehension, arithmetic) there was no convincing evidence of any reliable improvements when working memory training was compared with a treated control condition. Furthermore, mediation analyses indicated that across studies, the degree of improvement on working memory measures was not related to the magnitude of far-transfer effects found. Finally, analysis of publication bias shows that there is no evidential value from the studies of working memory training using treated controls. The authors conclude that working memory training programs appear to produce short-term, specific training effects that do not generalize to measures of \"real-world\" cognitive skills. These results seriously question the practical and theoretical importance of current computerized working memory programs as methods of training working memory skills.

The Naglieri Nonverbal Ability Test (NNAT) is said to be a culturally neutral measure of ability that assesses both majority and minority students equally. Although research has examined the effects of ethnicity and gender on NNAT performance, little published research has examined the relationship between socioeconomic status (SES) and NNAT performance. Correlations and multiple regression were used to examine the relationships between ethnicity, SES, and NNAT performance in a large kindergarten sample. The results suggest a significant relationship between ethnicity, SES, and NNAT performance. Even after adjusting for ethnic differences, children from low-SES families were half as likely as other children to be identified. Putting the Research to Use Does the NNAT really identify students with low-SES backgrounds at the same rate as students from average to high SES backgrounds? Although many believe using a nonverbal test levels the field for all students, the research we present does not support this belief. In this sample, students from average to high SES families were twice as likely to be identified than those from low-SES families. Since nonverbal tests are one of the most used methods of screening for G/T in our schools, if districts wish to continue to use the NNAT, it should not be as a solo measure of ability, but rather as part of a multiple measure process. In addition, districts using the NNAT should calculate the differential of any particular test administration on the basis of gender, ethnicity, SES or other variables to determine if any adjustments need to be made to ensure that elusive level playing field.

Apert syndrome is a rare genetic syndrome that is usually associated with intellectual disability. There is still limited knowledge about the syndrome’s cognitive-linguistic characteristics. The aim of this study was to evaluate the language and nonverbal abilities of two children (twins) with Apert syndrome aged 8.6 years, and to examine whether their scores on the language and nonverbal measurements fall within the average range. The Λ-α-Τ-ω, a psychometric instrument that measures language competence, the Wechsler Nonverbal Scale of Ability and the Raven’s Colored Progressive Matrices were used for assessment purposes. According to the results, both children failed to give correct responses on the subtests measuring the phonological aspect of language. Moreover, the performances of both children on the nonverbal abilities measures tended to be below average. The need for additional studies to identify the cognitive-linguistic strengths and weaknesses related to the specific syndrome is underlined. Research-based knowledge on the behavioral phenotype and the phenotypic, in general, characteristics of this syndrome could lead to better intervention planning.

Purpose: To investigate the longitudinal trajectories of verbal and nonverbal skills in individuals with a history of specific language impairment (SLI) from childhood to adolescence. This study focuses on SLI only and investigates within-participant measures across abilities. Method: Verbal and nonverbal skills were assessed in 242 children with a history of SLI at ages 7, 8, 11, 14, 16, and 17. Discrete factor growth modeling was used to examine developmental trajectories for the whole group and to identify subgroups on the basis of a novel, developmental, multidimensional approach. Results: When expressive language, receptive language, and nonverbal skills were scaled to a common metric, the group of individuals with a history of SLI as a whole had stable skills growth throughout the 10-year time frame. Seven language subgroups were identified, but these differed only in severity and did not display mutually distinctive patterns of growth development. In contrast, 6 nonverbal skills subgroups were identified, and their trajectories did differ significantly, with evidence of deceleration in around one third of the sample. Conclusion: Individuals with a history of SLI show steady language growth from age 7. However, different patterns of growth of nonverbal skills are observed from childhood to adolescence.

Computational thinking – the ability to reformulate and solve problems in ways that can be undertaken by computers – has been heralded as a foundational capability for the 21st Century. However, there are potentially different ways to conceptualise and measure computational thinking, for instance, as generalized problem solving capabilities or as applied practice during computer programming tasks, and there is little evidence to substantiate whether higher computational thinking capabilities using either of these measures result in better quality computer programs. This study examines the relationship between different forms of computational thinking and two different measures of programming quality for a group of 37 pairs of pre-service teachers. General computational thinking capabilities were measured using Bebras tests, while applied computational thinking processes were measured using a Computational Thinking Behavioural Scheme. The quality of computer programs was measured using a qualitative rubric, and programs were also assessed using the Dr Scratch auto-grading platform. The Test of Nonverbal Intelligence (3rd edition, TONI-3) was used to test for confounding effects. While significant correlations between both measures of computational thinking and program quality were detected, regression analysis revealed that only applied computational thinking processes significantly predicted program quality (general computational thinking capability and non-verbal intelligence were not significant predictors). The results highlight the importance of students developing applied computational thinking procedural capabilities more than generalized computational thinking capabilities in order to improve the quality of their computer programs.

We compared the extent to which the long-term influence of family socioeconomic status (SES) on children's school performance from age 7 through 16 years was mediated by their preschool verbal and nonverbal ability. In 661 British children, who completed 17 researcher-administered ability tests at age 4.5 years, SES correlated more strongly with verbal than nonverbal ability (.39 vs. .26). Verbal ability mediated about half of the association between SES and school performance at age 7, while nonverbal ability accounted for a third of the link. Only SES, but not verbal or nonverbal ability, was associated with changes in school performance from age 7 to 16. We found that SES-related differences in school performance are only partly transmitted through children's preschool verbal abilities.

Purpose: This study investigates the interaction of language ability status, cultural experience, and nonverbal cognitive skill performance in Spanish-English bilinguals with typical development (TD) and developmental language disorder (DLD). Method: One hundred sixty-nine Spanish-English bilingual kindergartener's scores on the Symbolic Memory and Cube Design subtests from the Universal Nonverbal Intelligence Test (Bracken & McCallum, 1998) were analyzed by language ability (TD vs. DLD). Results: t tests and analysis of variance showed bilingual children with TD and DLD performed comparably to the Universal Nonverbal Intelligence Test norming sample on the cube design task, while children with DLD had significantly lower performance on the symbolic memory task. Conclusion: These results suggest that cultural experience minimally impacted performance for bilingual children with typically developing language. Bilingual children with DLD were differentially impacted on symbolic memory, a task that is verbally mediated despite nonverbal administration and performance. Findings are discussed within the Cattell-Horn-Carroll theory of cognitive abilities.

Adaptive behaviour is a crucial area of assessment for individuals with Autism Spectrum Disorder (ASD). This study examined the adaptive behaviour profile of 77 young children with ASD using the Vineland-II, and analysed factors associated with adaptive functioning. Consistent with previous research with the original Vineland a distinct autism profile of Vineland-II age equivalent scores, but not standard scores, was found. Highe st scores were in motor skills and lowest scores were in socialisation. The addition of the Autism Diagnostic Observation Schedule calibrated severity score did not contribute significant variance to Vineland-II scores beyond that accounted for by age and nonverbal ability. Limitations, future directions, and implications are discussed.

Longitudinal associations of domain-general and numerical competencies with individual differences in children's understanding of fractions were investigated. Children (n = 163) were assessed at 6 years of age on domain-general (nonverbal reasoning, language, attentive behavior, executive control, visual-spatial memory) and numerical (number knowledge) competencies; at 7 years on whole-number arithmetic computations and number line estimation; and at 10 years on fraction concepts. Mediation analyses controlling for general mathematics ability and general academic ability revealed that numerical and mathematical competencies were direct predictors of fraction concepts, whereas domain-general competencies supported the acquisition of fraction concepts via whole-number arithmetic computations or number line estimation. Results indicate multiple pathways to fraction competence.