Ch 13 one way within subjects anova

How many sources of error are present in a one-way within-subjects ANOVA?

2

A researcher computes a one-way within-subjects ANOVA in which k = 3 and n = 10. What is the critical value for this test at a .05 level of significance?

3.55

A researcher observed the mating behavior of 10 porpoises in five different social conditions. What are the degrees of freedom between groups for a one-way within-subjects ANOVA?

4

A researcher recorded the shooting percentage of 28 professional basketball players in each of four quarters in a game. What are the degrees of freedom error for a one-way within-subjects ANOVA?

81

Which of the following is an assumption for computing a one-way within-subjects ANOVA?

Independent observations were made within groups, but not between groups

The source of variation that is associated with differences between groups in a study is called ______.

between-groups variability

A researcher observes the same participants in each of five different settings. Which source of variation is the variability attributed to observing the same participants in all five settings?

between-persons variability

Which source of variation is computed using a one-way within-subjects ANOVA, but not a one-way between-subjects ANOVA?

between-persons variation

Using a within-subjects ANOVA design, ______.

n participants are observed k times

The term "within-subjects" refers to ______.

observing the same participants in each group

To compute partial eta-squared, it is necessary to

partial out between-persons variability before computing proportion of variance