Discovering Statistics Using IBM SPSS Statistics

Varimax rotation should be used when: 

Answer choices

1. You believe that the underlying factors will be correlated.
2. You believe that the underlying factors are non-orthogonal.
3. You believe that the underlying factors are independent.
4. Kaiser’s criterion is met.

A Cronbach’s alpha value of .85 for a questionnaire means that:

Answer choices

1. The questionnaire is valid.
2. The questionnaire has good reliability.
3. The questionnaire has too few items.
4. The questionnaire would produce different scores if used on the same people at two different points in time.

Kaiser criterion for retaining factors is:

Answer choices

1. Retain any factor with an eigenvalue greater than 1.
2. Retain any factor with an eigenvalue greater than 0.3.
3. Retain factors before the point of inflexion on a scree plot.
4. Retain factors with communalities greater than 0.7.

Which of these is a form of oblique rotation?

Answer choices

1. Equamax
2. Quartimax
3. Varimax
4. Promax

What is a latent variable? 

Answer choices

1. It is a variable that cannot be measured directly.
2. It is another name for a factor.  
3. Latent variables represent clusters of variables that correlate highly with each other.
4. All of these are correct.