Multilingualism is often associated with advantages for acquiring additional languages. Theoretical approaches explain these advantages by assuming a Common Underlying Proficiency or a Metalinguistic Awareness. At the State Europe School in Berlin, students from different language backgrounds receive instruction in German and a partner language…

This study examines the relationships between school poverty status, family income status, and reasoning ability for the purpose of understanding the role of school poverty on reasoning skills. Cognitive ability scores of students attending mixed-poverty schools were compared to their counterparts attending institutions with low, high, and extreme…

This study explored the Junior Brixton Test (JBT), an executive function (EF) measure for children, in comparison to the Wisconsin Card Sorting Test (WCST) in a sample of 6- to 8-year-olds, all attending the first 2 years of elementary school. Factor analyses indicated two main domains in both measures, namely concept formation and cognitive…

This longitudinal study investigated the contribution of achievement goals and academic self-concept for the prediction of unexpected academic achievement (i.e., achievement that is higher or lower than expected with respect to students' cognitive ability) in general and when comparing groups of extreme over- and underachievers. Our sample…

Background: Strand, Deary, and Smith (2006) reported an analysis of sex differences on the Cognitive Abilities Test (CAT) for over 320,000 UK students 11-12 years old. Although mean differences were small, males were overrepresented at the upper and lower extremes of the score distributions on the quantitative and non-verbal batteries and at the…