Within subjects designs increase statistical power relative tobetween subjects designs because:

Group of answer choices

individual differences are reduced or absent

systematic variance is reduced

error variance is increased

none of these statements are true

Which of the following is not an assumption of the2goodness-of-fit test?

Group of answer choices

It is a nonparametric test.

It is appropriate only for ordinal data.

The frequency in each cell should be at least 5.

The sample should be randomly selected.

To conduct a Chi-Square Test of Independence in SPSS, you click on Analyze, Descriptive Statistics, then choose what?

Group of answer choices

General Linear Model

Regression

Crosstabs

Univariate

If you have two nominal variables and you want to see if there are any observed differences in frequency between the groups, which of the following statements is true?

Group of answer choices

conduct a chi-square test of independence

use a parametric test

conduct a chi-square goodness of fit

conduct a Pearson's r correlation