A researcher creates a scale to measure students' satisfaction with their sociology courses.After identifying six key questions and organizing them into a composite measure,the researcher averages the six items into a variable called "sociology satisfaction." The Cronbach's alpha score was 0.8,which means the
A)measure is unreliable.
B)items on the scale do not predict each other.
C)scale items are all measuring some aspect of satisfaction with sociology courses.
D)researchers should try to adjust the scale so that the Cronbach's alpha is closer to 1.

Question

Quizplus · Accepted Answer

A Cronbach's alpha score of 0.8 indicates that the scale has high internal consistency, meaning that the six items are measuring the same underlying construct, in this case, satisfaction with sociology courses. Therefore, option C is the correct choice as it suggests that all the scale items are measuring some aspect of satisfaction with sociology courses.

A Researcher Creates a Scale to Measure Students' Satisfaction with Their