Deck 22: Multi-Level Analysis Differences Between More Than Two Conditions Anova

Question 1

1) In a one-way ANOVA analysis the MS_between was 23.76 and the MS_error was 11.24. What was the F value?

A) 0.47
B) 2.11
C) 2.12
D) 12.52

Answer 1

B

Question 2

2) If there were 4 conditions in the experiment what was the between groups sum of squares?

A) 3.75
B) 33.72
C) 7.92
D) 71.28

Answer 2

D

Question 3

3) If there were 15 participants in the study what was the error df?

A) 10
B) 14
C) 11
D) 4

Answer 3

C

Question 4

4) A researcher has tested participants in four independent conditions: training, training and feedback, training and reward, control. She wishes to compare the feedback and reward condition against the training and control conditions as an a priori comparison. What coordinates could be used for the linear contrast?

A) -1, -1, 0, 0
B) 1, 1, 0, 0
C) 2, -2, 0, 0
D) 1, 1, -1, -1

Question 5

5) Identify the post hoc test which is strong in showing significant differences but tends towards too many Type I errors with higher numbers of conditions:

A) Newman-Keuls
B) Tukey_a
C) Tukey_b
D) Scheffé

Question 6

6) Identify the post hoc test which is highly conservative but which will test for all possible pairwise comparisons:

A) Newman-Keuls
B) Tukey_a
C) Tukey_b
D) Scheffé

Question 7

7) Identify the post hoc test which will test for all possible contrasts including combinations of conditions against other combinations:

A) Newman-Keuls
B) Tukey_a
C) Tukey_b
D) Scheffé

Question 8

8) A researcher wishes to test for significant difference between three conditions but finds that the data cannot be transformed to normal. What would be the best thing to do?

A) Carry out three separate t tests
B) Conduct a one-way ANOVA and not refer to the data problem
C) Conduct a Kruskal-Wallis one-way test
D) Just test the differences that look significant

Question 9

9) Which of the following is an ANOVA analysis carried out on multiple dependent variables?

A) One-way ANOVA
B) Analysis of covariance
C) MANOVA
D) Jonckheere test

Question 10

10) Which of the following is a test carried out on unrelated conditions to investigate a statistical trend?

A) one-way ANOVA
B) analysis of covariance
C) MANOVA
D) Jonckheere test