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Shogren, Karrie A.; Wehmeyer, Michael L.; Little, Todd D.; Forber-Pratt, Anjali J.; Palmer, Susan B.; Seo, Hyojeong – Career Development and Transition for Exceptional Individuals, 2017
The purpose of this article is to describe preliminary psychometric characteristics of a student self-report measure of self-determination, the "Self-Determination Inventory: Student Report" version (SDI-SR), designed for youth with and without disabilities. We administered the draft assessment to 311 youth and examined item functioning…
Descriptors: Construct Validity, Test Reliability, Scores, Psychometrics
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Reise, Steven P. – Multivariate Behavioral Research, 2012
Bifactor latent structures were introduced over 70 years ago, but only recently has bifactor modeling been rediscovered as an effective approach to modeling "construct-relevant" multidimensionality in a set of ordered categorical item responses. I begin by describing the Schmid-Leiman bifactor procedure (Schmid & Leiman, 1957) and highlight its…
Descriptors: Models, Factor Structure, Factor Analysis, Correlation
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Waters, Stacey; Cross, Donna – School Psychology Quarterly, 2010
Connectedness to school, teachers, and family are all significant protective factors in adolescents' lives, yet the measurement of each varies considerably. This article describes the measurement properties of three composite scales of adolescent connectedness, adapted from the Add Health study and the California Healthy Kids Survey. These…
Descriptors: Adolescents, Item Response Theory, Student School Relationship, Validity