Understanding Instrument and Criterion Validity in Psychology

Example is Pre Test and Post Test ___________

3 ways to measure the internal consistency reliability: Split Half Coefficient, Cronbach’s Alpha and ___________ formula

___________ is a measure of how well the items in two instruments measure the same construct

___________ Measures the consistency of scores assigned by two or more raters on a certain set of results

Kappa Coefficient is one of the most popular statistical tools in measuring ___________ reliability