Question 1

When using a t-test, what is the suggested minimum number of individuals per group?

Accepted Answer

A minimum of 15 individuals per group is often suggested to ensure the t-test has enough power to detect a significant difference if one exists.

Question 2

Which of the following is the effect size measurement for a t-test?

Accepted Answer

Cohen's d is a measure of effect size used to indicate the standardized difference between two means, commonly used with t-tests.

Question 3

What is examined if there is a significant interaction found using factorial ANOVA?

Accepted Answer

When a significant interaction is found in a factorial ANOVA, researchers examine the simple main effects to understand how the levels of one factor affect the dependent variable at each level of the other factor.

Question 4

Which of the following procedures partitions the variability into three distinct parts on the ANOVA table?

Accepted Answer

The answer of Which of the following procedures partitions the...

Quiz 12: Exploring Statistics Comparing Differences in Health Care

When using a t-test, what is the suggested minimum number of individuals per group?

Which of the following is the effect size measurement for a t-test?

What is examined if there is a significant interaction found using factorial ANOVA?

Which of the following procedures partitions the variability into three distinct parts on the ANOVA table?