Which of the following statistics is used commonly to measure interitem reliability?
A)Pearson's r
B)Cronbach's α
C)Guttman's scale
D)$\beta$s

Question

Quizplus · Accepted Answer

Cronbach's α is the most commonly used statistic to measure interitem reliability. Pearson's r is used to measure the correlation between two continuous variables, Guttman's scale is a method for analyzing ordinal data, and F1F1F1S1F1F1F10s is not a valid statistic.

Which of the Following Statistics Is Used Commonly to Measure β\betaβ

Which of the Following Statistics Is Used Commonly to Measure $\beta$