UCLA is interested in the effects of living at home on student performance. After collecting data, researchers tested whether having a pet (yes or no) and having siblings at home (none, 1, or>1) affected time spent on completing an assignment. Which of the following NHSTs would be most appropriate?

a.

Comparing two groups (paired samples)

b.

Correlation and regression

c.

Two-way ANOVA

d.

Comparing two groups (independent samples)

e.

Repeated measures ANOVA

f.

One-way ANOVA