Which one of the following would be variables with the most appropriate measurement scales for conventional factor analysis?
A) 10 items related to employability that are measured on a three-point Likert scale
B) 10 test items which are each coded as correct or incorrect
C) 15 subscales which are each measured on a scale of 0-25
D) 20 satisfaction items, each coded as yes or no

Question

Quizplus · Accepted Answer

With conventional factor analysis, the computed correlation matrix is a Pearson matrix. This, therefore, suggests that the variables applied must be metric (at least interval in scale) so that a linear relationship exists between the variables.

Which One of the Following Would Be Variables with the Most