Sample interview questions: Can you discuss your experience with classical test theory and item response theory?
Sample answer:
Experience with Classical Test Theory (CTT)
- Expertise in developing and administering standardized tests using CTT principles.
- Proficient in calculating measures of central tendency (mean, median, mode), variability (standard deviation, variance), and reliability (Cronbach’s alpha, split-half).
- Established proficiency in interpreting test scores and providing psychometric evidence of validity and reliability.
Experience with Item Response Theory (IRT)
- Extensive experience in developing and calibrating item pools using IRT models.
- Expertise in estimating item parameters (difficulty, discrimination, and guessing) and conducting person parameter estimation.
- Proven ability to diagnose and address misfit betwe… Read full answer