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When examining a brief insturment for quality of life with 8 items, you see that a Cronbach's alpha coefficient is reported as 0.53. What does

When examining a brief insturment for quality of life with 8 items, you see that a Cronbach's alpha coefficient is reported as 0.53. What does the Cronbach's alpha represent?

a. test-retest reliability

b. moderate validity

c. inter item stability

d. the correlation between one item and the total score

e. the average correlation among the items

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