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Chang, Huey-Por; Chen, Chin-Chang; Guo, Gwo-Jen; Cheng, Yeong-Jin; Lin, Chen-Yung; Jen, Tsung-Hau – International Journal of Science and Mathematics Education, 2011
The objective of this study was to develop an instrument to measure school students' competence in learning science as part of a large research project in Taiwan. The instrument consisted of 29 self-report, Likert-type items divided into 2 scales: Competence in Scientific Inquiry and Competence in Communication. The Competence in Scientific…
Descriptors: High Schools, Leadership Qualities, Measures (Individuals), Foreign Countries
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Wu, Pei-Chen; Huang, Tsai-Wei – Measurement and Evaluation in Counseling and Development, 2010
This study was to apply the mixed Rasch model to investigate person heterogeneity of Beck Depression Inventory-II-Chinese version (BDI-II-C) and its effects on dimensionality and construct validity. Person heterogeneity was reflected by two latent classes that differ qualitatively. Additionally, person heterogeneity adversely affected the…
Descriptors: Construct Validity, Validity, Depression (Psychology), Item Response Theory