More on ANOVA

Tests Supplementing ANOVA

Questions

Question 1 out of 7.
When the null hypothesis is rejected in ANOVA, the ANOVA test reveals which means are significantly different from which other means.

True

False


Question 2 out of 7.
A marginal mean is

A mean that is almost significant.

The mean of the means of one variable averaging over the levels of another variable.


Question 3 out of 7.
A main effect is a comparison of

Marginal means

Standardized means

Simple effects


Question 4 out of 7.
To compare a control group with the average of the other three groups, you would use

Tukey's test

An interaction test

A specific comparison


Question 5 out of 7.
To compare each mean with each other mean, you would use

Tukey's test

An interaction test

A specific comparison

ANOVA


Question 6 out of 7.
An interaction makes it difficult to interpret

simple effects

pairwise comparisons

specific comparisons

main effects


Question 7 out of 7.
If one simple effect is significant and another is not, that means there is an interaction.

True

False