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Chen, Chia-Wen; Andersson, Björn; Zhu, Jinxin – Journal of Educational Measurement, 2023
The certainty of response index (CRI) measures respondents' confidence level when answering an item. In conjunction with the answers to the items, previous studies have used descriptive statistics and arbitrary thresholds to identify student knowledge profiles with the CRIs. Whereas this approach overlooked the measurement error of the observed…
Descriptors: Item Response Theory, Factor Analysis, Psychometrics, Test Items
Caster, Timari T. – ProQuest LLC, 2018
The study endeavored to determine if teaching test-taking strategies had an impact on the students' performance on the ACT science subsection exam. Students received test-taking strategies instruction for the ACT science subsection exam. Students were administered a pre-and post-test, confidence survey, and strategies ranking list. The study also…
Descriptors: Test Wiseness, Science Achievement, Self Esteem, Algebra