This study investigates the latent structure of individual differences in vocational, leisure, and family interests. The participants consisted of 302 French adults who rated their like or dislike for activities based on Holland's RIASEC typology and presented in three life domains: work, family and leisure. The multitrait-multimethod model…

The purpose of this research is to examine the factor structure of the Armed Services Vocational Aptitude Battery (ASVAB), Forms 8, 9, and 10. The ASVAB consists of ten subtests: General Science; Arithmetic Reasoning; Word Knowledge; Paragraph Comprehension; Numerical Operations; Coding Speed; Auto Shop Information; Mathematics Knowledge;…

This study organizes items from seven behavior rating instruments into as few behavior clusters as possible. Methods used include card sort activities and a panel of experts examining items to establish their subgroup placement. Findings indicate a method for organizing behavior descriptors into clearly defined subgroupings and unifying behavior…

This study is a preliminary attempt to characterize the development of students' conceptions of education in a comprehensive fashion. The participants were recruited from a middle class suburban school district in Michigan. Seventy students in grades 3, 6, 9, and 12 were interviewed about several issues related to each of the following: (1) the…

A method for empirical classification of autistic and autisticlike children, based on behavior observations of 35 males and 11 females (ages 4-28 years) was examined. Factor and cluster analysis indicated four subtypes, characterized by perseverative thinking and play, motor disturbances, schizotypal/schizoid features, and anxiety and negativism.…

Analysis of data from the Behaviour Disorder Scale for 405 adults and adolescents with intellectual disability revealed that subjects exhibited a mean of 14 problem behaviors per person. Factor analysis identified two general syndromes (a conduct syndrome and an emotional syndrome), raising the possibility of dealing with sets of problem behaviors…

The Autism Behavior Checklist was completed for 67 autistic and 56 mentally retarded and learning-disabled children (ages 6-15). The checklist was effective in classifying children when using either the full scale or only the more highly weighted items. Results did not support a single unidimensional scale or subdividing the checklist into five…