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Longitudinal Stability of the Beck Depression Inventory II: A Latent Trait-State-Occasion Model
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Wu, Pei-Chen – Journal of Psychoeducational Assessment, 2016
In a six-wave longitudinal study with two cohorts (660 adolescents and 630 young adults), this study investigated the longitudinal stability of the Beck Depression Inventory II (BDI-II) using the Trait-State-Occasion (TSO) model. The results revealed that the full TSO model was the best fitting representation of the depression measured by the…
Descriptors: Measures (Individuals), Depression (Psychology), Longitudinal Studies, Scores
The Importance of Item Wording: The Distinction Between Measuring High Standards versus Measuring Perfectionism and Why It Matters
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Blasberg, Jonathan S.; Hewitt, Paul L.; Flett, Gordon L.; Sherry, Simon B.; Chen, Chang – Journal of Psychoeducational Assessment, 2016
In the current research, we illustrate the impact that item wording has on the content of personality scales and how differences in item wording influence empirical results. We present evidence indicating that items in certain scales used to measure "adaptive" perfectionism fail to capture the disabling all-or-nothing approach that is…
Descriptors: Item Analysis, Personality Measures, Personality Traits, Psychometrics