A researcher used a scale to measure students' attitudes toward high school drug testing programs. Students...
A researcher used a scale to measure students' attitudes toward high school drug testing programs. Students respond to each item using a five (5) point Likert scale (i.e., strongly agree, agree, neutral, disagree, strongly disagree). Which reliability coefficient should be reported?
a) Test-retest
b)LS-5
c)KR-20
d) Cronbach's alpha
Homework Answers
Correct answer: Option (D) Cronbach's alpha
Cronbach's alpha is the most common measure of internal consistency. It is most commonly used when we have multiple Likert questions in a survey that form a scale and we wish to determine if the scale is reliable.
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