Lecture 5: Factor Analysis (2)

Question 1

What rotation do we use when we expect correlation

Answer 1

Oblique rotation

Question 2

What rotation do we use when we expect independence

Answer 2

Orthogonal rotation

Question 3

Varimax rotation

Answer 3

Orthogonal

Question 4

Initial Communalities

Answer 4

Proportion of shared/common variance in each item

Question 5

Extracted Communalities

Answer 5

Proportion of common variance in each variable that can be accounted for by the retained factors

Question 6

Oblique rotation recommended when

Answer 6

Correlation in factor correlation matrix > .30