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Lavidas, Konstantinos; Manesis, Dionysios; Gialamas, Vasilios – International Journal of Educational Psychology, 2021
The purpose of this study was to adapt the Statistics Anxiety Rating Scale (STARS) for a Greek student population. The STARS was administered to 890 Tertiary Education students in two Greek universities. It was performed a cross-validation study to examine the factorial structure and the psychometric properties with a series of confirmatory factor…
Descriptors: Foreign Countries, Anxiety, Rating Scales, College Students
Raykov, Tenko; Pohl, Steffi – Educational and Psychological Measurement, 2013
A procedure for examining essential unidimensionality in multicomponent measuring instruments is discussed. The method is based on an application of latent variable modeling and is concerned with the extent to which a common factor for all components of a given scale accounts for their correlations. The approach provides point and interval…
Descriptors: Measures (Individuals), Statistical Analysis, Factor Structure, Correlation
Gibbons, Robert D.; Bock, R. Darrell; Hedeker, Donald; Weiss, David J.; Segawa, Eisuke; Bhaumik, Dulal K.; Kupfer, David J.; Frank, Ellen; Grochocinski, Victoria J.; Stover, Angela – Applied Psychological Measurement, 2007
A plausible factorial structure for many types of psychological and educational tests exhibits a general factor and one or more group or method factors. This structure can be represented by a bifactor model. The bifactor structure results from the constraint that each item has a nonzero loading on the primary dimension and, at most, one of the…
Descriptors: Factor Analysis, Item Response Theory, Computation, Factor Structure