This study first found that an adaptation of the Pictorial Scale of Perceived Competence and Social Acceptance for Young Children exhibited construct validity and test-retest reliability in assessing preschool children's sensitivity to age-related differences in peers' developmental abilities. Second, children with disabilities were viewed as less…

Specific questions addressed in this study include how time limits affect a test's construct and predictive validities, how time limits affect an examinee's time allocation and test performance, and whether the assumption about how examinees answer items is valid. Interactions involving an examinee's sex and age are studied. Two parallel forms of…