The present study examined the relationships between the standardized applied behavior analysis (ABA) direct assessment, the PEAK Comprehensive Assessment (PCA), and established assessments commonly used in educational and clinical settings, including the Childhood Autism Rating Scale - Third Edition (CARS-3), the PDD Behavior Inventory (PDDBI),…

This study aimed to extract the psychometric properties of a Jordanian version of the Parents Evaluation of Developmental Status: Developmental Milestones (PEDS:DM) to present a psycho-metrically reliable Arabic scale that benefits the Jordanian context as an effective childhood intervention scale. The validity of the scale was achieved in three…

Children with autism spectrum disorder (ASD) tend to receive several related services during their early school years. In this study, we followed 70 preschoolers with ASD and used parent reports to document the intensity of these services over a 4-year period, in relation to children's outcomes in three domains. While behavioral difficulties…

The present study investigated gender differences in adolescents' academic motivation and classroom behaviour and gender differences in the extent to which motivation was associated with, and predicted, classroom behaviour. Seven hundred and fifty students (384 boys and 366 girls) aged 11--16 (M age?=?14.0, 1.59 SD) completed a questionnaire…

There is uncertainty about the proportion of children with autism spectrum disorders who do not develop phrase speech during the preschool years. The main purpose of this study was to examine this ratio in a population-based community sample of children. The cohort consisted of 165 children (141 boys, 24 girls) with autism spectrum disorders aged…

To ascertain the effect of a preschool program on the behavior of migrant children the Pre-Kindergarten Scale (PKS) was completed by teachers and teacher aides. In order to analyze the resulting data it was necessary to construct and validate the trait measures obtained from the scale. A sample of the ratings on 144 migrant children, subjected to…

The Preschool Preposition Test (PPT), a rapid screening test to identify delay in cognitive development of children ages 3 to 5, indicated its potential as a useful tool for the early identification of mother-child dyads in need of improving their affective relationship and verbal communications. Scores on the PPT, the Stanford-Binet Intelligence…

As part of the national Head Start Planned Variation Study, this study used a relatively small sample in an intensive evaluation of program implementation in one field community using the Tucson Early Education Model (TEEM). A modified Solomon four-group research design formed the organization framework. Evaluation of six TEEM classrooms and two…