We explored the relationships between "autistic" traits as measured by the AQ (Autism-Spectrum Quotient; Baron-Cohen et al., J. Autism Develop. Disord. (2001b) 31 5) and various personality traits or cognitive ability, which usually coincide with autistic symptoms, for general populations. Results showed the AQ was associated with…

Cultural differences have been found in body image perceptions among Black and White adolescents, however little is known about the factors associated with perceptions of an ideal body size (IBS). This study examined differences in correlates of IBS among 265 Black (116 girls and 62 boys) and White (63 girls and 24 boys) adolescents. IBS for White…

Objective: Family environmental factors as well as parental attention-deficit/hyperactivity disorder (ADHD) status have shown associations with variability in ADHD. The purpose of the present study was to examine the links among family environment, parental psychiatric diagnosis, and child impairment within a sample of ADHD-affected sibling pairs…

Objective: The pediatric version of the Short Form of the Quality of Life Enjoyment and Satisfaction Questionnaire (PQ-LES-Q) was developed to aid in the assessment of an important aspect of life experience in children and adolescents. Method: The reliability and validity of the PQ-LES-Q was tested using data from a sample of 376 outpatient…

Objective: To explore the genetic and environmental influences on DSM-IV conduct disorder (CD) aggressive and nonaggressive subscales, taking into account age and sex differences. Method: A community sample of 1,100 twin pairs (ages 11-18) was interviewed using the Diagnostic Interview Schedule for Children. Bivariate analyses, using variable…

This investigation focused on the relation between college student drinking behavior and study skills, behaviors, habits, and attitudes among undergraduate students at a predominantly African American university. Students (N = 492) were administered a multimedia alcohol survey with an embedded measure of study practices. The negative and generally…

The purpose of this mixed-methods study was to document the prevalence of sampling designs utilised in mixed-methods research and to examine the interpretive consistency between interpretations made in mixed-methods studies and the sampling design used. Classification of studies was based on a two-dimensional mixed-methods sampling model. This…

Reinforcers lose their effectiveness when they are presented repeatedly. Early researchers labeled this loss of effectiveness as "satiation" without conducting an experimental analysis. When such an analysis is conducted, "habituation" provides a more precise and empirically accurate label for the changes in reinforcer effectiveness. This paper…

The appropriate age for students to begin school is an issue of debate for educators, administrators, and parents. Parents worry that young children may not be able to compete with older classmates; schools worry that young students will not be able to meet rigorous academic standards associated with school accountability. Past literature is…

The development of highly effective teachers is of interest to school systems because the quality of the teachers is associated with students' success. This study explored the relationship between teachers' participation in a job-embedded model of professional development and students' achievement in reading. Teachers in the third grade and fifth…

The aim of the present study was to better understand the combined and unique effects of teacher-student and parent-child relationships in students' achievement motivation and self-esteem. Participants were 3450 high school students administered items assessing their interpersonal relationships, academic motivation and engagement, academic…

This paper focuses on the relationship between institutional factors and the intention of undergraduate students to withdraw from or complete their distance education courses in the Arab Open University (AOU). The model was examine on a pilot sample of 127 students and then re-examined on the field study of 587 students. Mixed paradigms were…

This descriptive study employed a within-groups analytic approach to examine patterns of sexual risk behavior and co-occurring general and race/ethnicity-specific risk and protective factors in a community sample of African-American youth (n = 436). Cluster analysis was used to classify young adults by levels of self-reported past year sexual risk…

This study examined the impact of ethnic identity and neighborhood risk on drug and sex attitudes and refusal efficacy among early adolescent urban African American females (n = 175). The model also predicted a moderating relationship of ethnic identity on neighborhood risk for drug and sex attitudes and refusal efficacy. Data were collected as…

The relationships between ratings on the Idaho Alternate Assessment (IAA) for 116 students with significant disabilities and corresponding ratings for the same students on two norm-referenced teacher rating scales were examined to gain evidence about the validity of resulting IAA scores. To contextualize these findings, another group of 54…