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Validity of science items in the student selection test in Turkey
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Date
2008
Author
Uygun , Nazlı
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This thesis presents content-related and construct-related validity evidence for science sub-tests within Student Selection Test (SST) in Turkey via underlying the content, cognitive processes, item characteristics, factorial structure, and group differences based on high school type. A total number of 126,245 students were present in the research from six type of school in the data of SST 2006. Reliability Analysis, Item Analysis, Principle Component Analysis (PCA) and one-way ANOVA have been carried out to evaluate the content-related and construct-related evidence of validity of SST. SPSS and ITEMAN programs were used to conduct the above-mentioned analyses. According to the results of content analysis, science items in the SST 2006 found to be measuring various cognitive processes under knowledge, understanding and problem solving cognitive domains. Those items loaded under three factors according to PCA findings which were measuring very close dimensions. Moreover, a threat to validity was detected via one-way ANOVA due to significant mean difference across high school types.
Subject Keywords
Mathematics education.
,
Student Selection Test.
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http://etd.lib.metu.edu.tr/upload/3/12609716/index.pdf
https://hdl.handle.net/11511/17699
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Graduate School of Natural and Applied Sciences, Thesis
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N. Uygun, “Validity of science items in the student selection test in Turkey,” M.S. - Master of Science, Middle East Technical University, 2008.
