The Cattell-Horn-Carroll (CHC) model presently serves as a blueprint for both test development and a taxonomy for clinical interpretation of modern tests of cognitive ability. Accordingly, the trend among test publishers has been toward creating tests that provide users with an ever-increasing array of scores that comport with CHC. However, an…

Recidivism remains a serious issue in the modern criminal justice system, with over 80% of those previously incarcerated being rearrested within 9 years of release (Alper, Durose, & Markman, 2018). Although previous studies have identified risk factors that increase the probability of rearrest, much remains unknown regarding the full…

The purpose of the current study was to examine the differences between number and types of administration and scoring errors made by administration method (digital/Q-Interactive vs. paper-and-pencil) on the Wechsler Intelligence Scales for Children (WISC-V). WISC-V administration and scoring checklists were developed in order to provide an…

Intellectual performance is highly heritable and robustly predicts lifelong health and success but the earliest manifestations of genetic effects on this asset are not well understood. This study examined whether early executive function (EF) or verbal performance mediate genetic influences on subsequent intellectual performance, in 561 U.S.-based…

HIV-exposed uninfected (HEU) children during the preschool and early school ages may be at-risk for neurodevelopmental challenges due to in utero and perinatal exposure to HIV and/or antiretroviral (ARV) medications. HEU children and HIV-unexposed uninfected (HUU) children from the community were recruited and tested at 3 to 4 and 5 to 6 years of…

Skilled reading requires fast and accurate access to previously encountered words stored in memory. Yet, little research addresses skills that support such lexical access. Based on theoretical predictions, one skill that may support lexical access is orthographic knowledge. Thus, our goal was to investigate the relation between lexical access and…

Backgrounds and aims: Early symbolic play abilities are closely related to long-term language development for both autistic and non-autistic children, but few studies have explored these relations for different dimensions of pretence and of language. The current study explores carer-reported measures of solitary symbolic play, object substitution…

It has been postulated that emotions play essential roles in conflict situations and that excessive expression of emotions or inappropriate display can reduce the capacity to manage conflict. However, there is a lack of research that relates teachers' emotionregulation ability to managing conflict. To bridge this gap, this pilot study aimed to…

Fluid intelligence and conscientiousness are important predictors of students' academic performance and competence gains. Although their individual contributions have been widely acknowledged, less is known about their potential interplay. Do students profit disproportionately from being both smart and conscientious? We addressed this question…

Autism Spectrum Disorder (ASD) is a complex heterogeneous clinical entity with many overlaps and comorbidities with other psychiatric and developmental disorders. Adults with ASD lack adequate access to facilities and supports. This article describes the clinical profile of the first 34 patients admitted to Roozbeh adult ASD clinic during a…

Two experiments are presented that use tasks common in research in numerical cognition with young adults and older adults as subjects. In these tasks, one or two arrays of dots are displayed, and subjects decide whether there are more or fewer dots of one kind than another. Results show that older adults, relative to young adults, tend to rely…

Background: Teaching vocabulary may be an effective way to address poor reading comprehension. However, it is unclear how many words or word families a school aged child with poor vocabulary would need to learn to meaningfully impact comprehension. This study provides estimates of vocabulary size for children with differing vocabulary achievement…

The present study investigates the effects of different kinds of praise on 108 students in vocational education, using a similar design as the original mindset studies. Students worked on a set of Raven's Standard Progressive Matrices and either received praise for effort, received praise for intelligence, or were in the control group. Results…

Recent studies indicate that premature children are at risk for difficulties with cognitive development and have increased incidence of ADHD as well as other behavioral disorders. Although the exact mechanism accounting for these children's neuropsychological abnormalities is unknown, there is evidence to suggest that the cognitive and behavioral…

Background: Being aware of the different social expectations linked to the principal lifespan stages (i.e., childhood, adulthood, old age) is critical to an individual's inclusion in the community and to developing appropriate social behaviours. However, little research exists on this topic in the field of intellectual and developmental…