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