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Direct linkRios, Joseph A.; Miranda, Alejandra A. – Educational Measurement: Issues and Practice, 2021
Subscore added value analyses assume invariance across test taking populations; however, this assumption may be untenable in practice as differential subdomain relationships may be present among subgroups. The purpose of this simulation study was to understand the conditions associated with subscore added value noninvariance when manipulating: (1)…
Descriptors: Scores, Test Length, Ability, Correlation
Kelly, William E.; Daughtry, Don – College Student Journal, 2018
This study developed an abbreviated form of Barron's (1953) Ego Strength Scale for use in research among college student samples. A version of Barron's scale was administered to 100 undergraduate college students. Using item-total score correlations and internal consistency, the scale was reduced to 18 items (Es18). The Es18 possessed adequate…
Descriptors: Undergraduate Students, Self Concept Measures, Test Length, Scores
Download full textFu, Jianbin; Feng, Yuling – ETS Research Report Series, 2018
In this study, we propose aggregating test scores with unidimensional within-test structure and multidimensional across-test structure based on a 2-level, 1-factor model. In particular, we compare 6 score aggregation methods: average of standardized test raw scores (M1), regression factor score estimate of the 1-factor model based on the…
Descriptors: Comparative Analysis, Scores, Correlation, Standardized Tests
Bazaldua, Diego A. Luna; Lee, Young-Sun; Keller, Bryan; Fellers, Lauren – Asia Pacific Education Review, 2017
The performance of various classical test theory (CTT) item discrimination estimators has been compared in the literature using both empirical and simulated data, resulting in mixed results regarding the preference of some discrimination estimators over others. This study analyzes the performance of various item discrimination estimators in CTT:…
Descriptors: Test Items, Monte Carlo Methods, Item Response Theory, Correlation
Mouritsen, Matthew L.; Davis, Jefferson T.; Jones, Steven C. – Journal of Learning in Higher Education, 2016
Instructors are often concerned when giving multiple-day tests because students taking the test later in the exam period may have an advantage over students taking the test early in the exam period due to information leakage. However, exam scores seemed to decline as students took the same test later in a multi-day exam period (Mouritsen and…
Descriptors: Statistical Analysis, Scores, Tests, Testing
Gelfand, Jessica T.; Christie, Robert E.; Gelfand, Stanley A. – Journal of Speech, Language, and Hearing Research, 2014
Purpose: Speech recognition may be analyzed in terms of recognition probabilities for perceptual wholes (e.g., words) and parts (e.g., phonemes), where j or the j-factor reveals the number of independent perceptual units required for recognition of the whole (Boothroyd, 1968b; Boothroyd & Nittrouer, 1988; Nittrouer & Boothroyd, 1990). For…
Descriptors: Phonemes, Word Recognition, Vowels, Syllables
