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Welch, Anita G.; Cakir, Mustafa; Peterson, Claudette M.; Ray, Chris M. – Research in Science & Technological Education, 2012
Background: Studies exploring the relationship between students' achievement and the quality of the classroom learning environments have shown that there is a strong relationship between these two concepts. Learning environment instruments are constantly being revised and updated, including for use in different cultures, which requires continued…
Descriptors: Evidence, Grades (Scholastic), Reliability, Factor Structure
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Zhou, Xinyue; Xu, Qian; Ingles, Candido J.; Hidalgo, Maria D.; La Greca, Annette M. – Child Psychiatry and Human Development, 2008
This study evaluated the psychometric properties of the Chinese version of the Social Anxiety Scale for Adolescents (SAS-A) in a sample of 296 adolescents (49% boys) in Grades 7, 8, 9, 10, and 12 with a mean age of 15.52 years. Confirmatory factor analysis replicated the three-factor structure of the SAS-A in the Chinese sample: Fear of Negative…
Descriptors: Measures (Individuals), Anxiety, Adolescents, Test Validity
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Casillas, Alex; Schulz, E. Matthew; Robbins, Steven B.; Santos, Paulo Jorge; Lee, Richard M. – Journal of Career Assessment, 2006
The present study uses item response theory (IRT) to establish comparability between the English and Portuguese versions of the Goal Instability Scale (GIS), a measure of generalized motivation. A total of 2,848 American and 679 Portuguese high school students were administered their respective language versions of the GIS. Results showed only…
Descriptors: Student Motivation, Cross Cultural Studies, Item Response Theory, Rating Scales