Human's ability to consider the future, willingness to make sacrifices in the present to obtain something better in the future has been a significant part of our success as a species (Suddendorf, T., & Corballis, M. C. (1997). "Mental time travel and the evolution of the human mind." "Genetic, social, and general psychology monographs" 123,…

Researchers using structural equation modeling (SEM) aspire to learn about the world by seeking models with causal specifications that match the causal forces extant in the world. This quest for a model matching existing worldly causal forces constitutes an ontology that orients, or perhaps reorients, thinking about measurement validity. This…

The purpose of this study was to examine the dimensionality of the "Contact With Disabled Persons Scale" (CDP). An exploratory factor analysis of the CDP yielded three factors: General Interpersonal Contacts, Positive Contact Experiences, and Negative Contact Experiences. A confirmatory factor analysis provided further evidence for the stability…

What really works in alternate assessment based on alternate achievement standards? Every state is working to know the answer--both to comply with federal requirements for evaluating students with severe cognitive disabilities, and to ensure that all students reach their full potential. This comprehensive book is the first to gather today's best…

This study evaluated the content, concurrent, and construct validity of the Leadership Skills Inventory (LSI), a measure designed to help students analyze the strength of their leadership skills. Results indicated satisfactory content, concurrent, and construct validity, although factor analysis revealed that the LSI contained only one factor, not…

This article examines available measures of perceived teacher support and presents findings from two studies exploring the psychometric properties of the Teacher Support Scale (TSS). In Study 1, an exploratory factor analysis suggested a hierarchical structure with four first-order factors (Invested, Positive Regard, Expectations, and Accessible…

This article defines test bias and reviews research methods most aptly applied postpublication to educational and psychological tests. Best methods for estimating bias in criterion-related or predictive validity and determining bias in construct validity across groups are explained. (Author/JDD)

The issues of construct validity, predictive validity, and item content bias on the Wechsler Intelligence Scale for Children-Revised (WISC-R) are examined. The review concludes that most objective data have not supported the issue of bias of the WISC-R when used with children of different ethnic backgrounds. (JDD)

The usefulness and validity of the 3 versions (Infant-Toddler, Early Childhood, and Middle Childhood) of the HOME Inventory were studied with 261 children with cognitive, hearing, vision, or orthopedic handicaps. The Inventory in its original form and a modified form was subjected to analysis of reliability, construct validity, and criterion…

Fifty-seven primary-level students completed the Detroit Tests of Learning Aptitude-Primary: Second Edition (DTLA-P:2) and the Woodcock-Johnson Psycho-Educational Battery, Part I and II. A strong relationship between the two provides evidence for the criterion-related and construct validity of the DTLA-P:2 test scores. (Author/JDD)

An emerging body of research demonstrates the effectiveness of video self-modeling (VSM) in addressing social, communication, and behavioral functioning of children with autism spectrum disorders. The primary purpose of this study was to examine the benefits of a VSM intervention in increasing the social engagement of young children with autism…

The Cognitive Levels Test (CLT) and the Peabody Picture Vocabulary Test-Revised (PPVT-R) were administered to 30 freshman college students at a small state college in the mid-Atlantic region. Significant correlations indicate that the PPVT-R measures a component of the CLT. Mean PPVT-R scores were significantly higher than CLT means. (Author/PB)

This study evaluated the Clarke modification of the Questionnaire on Resources and Stress with parents (n=367) of autistic, mentally retarded, learning-disabled, and asymptomatic children. Good internal consistency, split-half reliability, and coefficient of stability were obtained as well as acceptable construct and concurrent validities.…

Some researchers have argued that discrepant broad index scores invalidate IQs, but others have questioned the fundamental logic of that argument. To resolve this debate, the present study used a nationally representative sample of children (N = 1,200) who were matched individually for IQ. Children with significantly uneven broad index score…

The reliability of a new scale to assess Autistic Disorder, Pervasive Developmental Disorder, Not Otherwise Specified (PDD-NOS), and Asperger's Disorder in children was examined. Parents or other caregivers rated symptoms of 207 children between 2 and 16 years of age. The scale, which had 40 items in the final version, correlated highly with…