1 Which of the following post hoc tests is associated with t

1. Which of the following post hoc tests is associated with the least power to detect an effect?

a. Fisher\'s LSD test

b. Tukey\'s HSD test

c. Studentized Newman-Keuls

d. None; each post hoc test is associated with the same power to detect an effect.

2. To summarize a one-way within-subjects ANOVA, we report each of the following except,

a. the test statistic value

b. the degree of freedom

c. the critical values

d. the p value

3. Using a within-subjects ANOVA design,

a. n.k participants are each observed one time

b. n participants are observed k times

c. different participants are observed in each group

d. all of the above

4. A researcher randomly assigned 32 children to observe a short clip depicting either their favorite superhero, a parent, a teacher, or no person at all (n = 8 per group). If SS_BG = 30 and SS_E = 104, then what was the decision at a .05 level of significance for a one-way between-subjects ANOVA?

a. Reject the null hypothesis.

b. Retain the null hypothesis.

c. There is not enough information to answer this question.

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

a. The population being sampled from is positively skewed.

b. Different participants were observed in each group.

c. Independent observations were made within groups, but not between groups.

d. all of the above

6. ANOVA stands for,

a. analysis of variety

b. analysis of variable attributes

c. analysis of variance

d. association of novel operating variable analyses

7. A researcher assigns 21 adolescents to rate the likability of a person described in a vignette as having one of three personality traits. An equal number of participants are assigned to each group. If F_obt = 4.08 for this study, then what was the decision at a .05 level of significance for a one-way between-subjects ANOVA?

a. Reject the null hypothesis.

b. Retain the null hypothesis.

c. There is not enough information to answer this question.

8. A researcher assigns 21 adolescents to rate the likability of a person described in a vignette as having one of three personality traits. An equal number of participants are assigned to each group. If F_obt = 4.08 for this study, then what was the decision at a .05 level of significance for a one-way between-subjects ANOVA?

a. Reject the null hypothesis.

b. Retain the null hypothesis.

c. There is not enough information to answer this question.

Solution