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Wetherby, Amy M.; Guthrie, Whitney; Hooker, Jessica L.; Delehanty, Abigail; Day, Taylor N.; Woods, Juliann; Pierce, Karen; Manwaring, Stacy S.; Thurm, Audrey; Ozonoff, Sally; Petkova, Eva; Lord, Catherine – Autism: The International Journal of Research and Practice, 2021
There is a critical need for validated screening tools for autism spectrum disorder in very young children so families can access tailored intervention services as early as possible. Few screeners exist for children between the recommended screening ages of 18-24 months. This study examined the utility of a new autism-specific parent-report…
Descriptors: Autism, Pervasive Developmental Disorders, Screening Tests, Toddlers
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Christensen, Rhonda; Knezek, Gerald – International Journal of Environmental and Science Education, 2015
The Climate Change Attitude Survey is composed of 15 Likert-type attitudinal items selected to measure students' beliefs and intentions toward the environment with a focus on climate change. This paper describes the development of the instrument and psychometric performance characteristics including reliability and validity. Data were gathered…
Descriptors: Climate, Attitudes, Likert Scales, Middle School Students
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Price, Rebecca M.; Andrews, Tessa C.; McElhinny, Teresa L.; Mead, Louise S.; Abraham, Joel K.; Thanukos, Anna; Perez, Kathryn E. – CBE - Life Sciences Education, 2014
Understanding genetic drift is crucial for a comprehensive understanding of biology, yet it is difficult to learn because it combines the conceptual challenges of both evolution and randomness. To help assess strategies for teaching genetic drift, we have developed and evaluated the Genetic Drift Inventory (GeDI), a concept inventory that measures…
Descriptors: Genetics, Evolution, Biology, Higher Education
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Matson, Johnny L.; Neal, Daniene; Fodstad, Jill C.; Hess, Julie A.; Mahan, Sara; Rivet, Tessa T. – Behavior Modification, 2010
Social skills are an important part of development, and deficits in this area have long-term impacts on a child. As a result, clinicians should include a measure of social skills as part of a comprehensive assessment. There are a few well-researched measures of social skills that are currently used, including the Matson Evaluation of Social Skills…
Descriptors: Rating Scales, Interpersonal Competence, Test Validity, Test Reliability
Chatman, Steve – Center for Studies in Higher Education, 2009
This technical report summarizes the third independent factor analysis of the SERU/UCUES questionnaire responses of students with majors. The 2009 solution employed the same quantitative analysis used in the prior solutions--varimax orthogonal rotation to determine principal components followed by promax oblique rotation to identify…
Descriptors: Factor Structure, Reliability, Questionnaires, Majors (Students)
Webb, Noreen; Herman, Joan; Webb, Norman – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2006
In this report we explore the role of reviewer agreement in judgments about alignment between tests and standards. Specifically, we consider approaches to describing alignment that incorporate reviewer agreement information in different ways. The essential questions were whether and how taking into account reviewer agreement changes the picture of…
Descriptors: Academic Standards, Achievement Tests, Standardized Tests, Student Evaluation