The Autism Behavior Checklist was evaluated with 94 autistic and 63 nonautistic subjects. Although the two groups differed significantly in ratings of pathology both false positive and false negative diagnostic classifications occurred. The test appears to have merit as a screening instrument but should not be used alone to establish a diagnosis…

Developed a questionnaire of 80 self-report items to measure student approaches to study in higher education, attempting to create a scale and study it with a Rasch measurement model. Results for 350 Australian college students supported the conceptual structure of the scale as involving studying attitudes and behaviors toward the identified five…