1. In a two factor analysis of variance, the F-ratios for factor A, factor B, an
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Question
1. In a two factor analysis of variance, the F-ratios for factor A, factor B, and the AxB interaction________.
a. May have different df values but they all have the same denominator
b. May have different df values and may have different denominators
c. All have the same df values and they all have the same denominator
d. All have the same df values but they may have different denominators
2. In a line graph showing the results from a two-factor experiment, the levels of factor B are presented on the X-axis and the line for A1 is consistently 5 points higher than the line for A2. What result is indicated by this pattern?
a. An indication of an overall A-effect
b. An indication of an A effect but no indication of interaction
c. An indication of an interaction but no indication of an A effect
d. No indication of an interaction
3. A two-factor ANOVA produces an F ration for factor A with df=2,36 and an F-ratios for factor B with df=3,36. Which of the following describes the experiment producing these F-ratios?
a. 3 levels of factor A and 4 level of factor B
b. 2 levels of factor A and 3 levels of factor B
c. 1 level of factor A and 2 levels of factor B
d. 6 levels for both factors
4. In analysis of variance, each independent variable is referred to as a ______.
a. Factor
b. Stage
c. Comparison
d. Level
5. A two factor research study has 2 levels of factor A and 3 levels of factor b with a separate sample of n=5 subjects in each treatment condition. Based on this information, what are the df values for the F-rations evaluating the main effect of factor A?
a. df=1,29
b. df= 1,24
c. df= 2,29
d. df= 2,24
6. In a two factor ANOVA, a significant interaction means that______?
a. The significance of the main effects is not related to the significance of the interaction
b. Neither of the main effects can be significant
c. At least one main effect is significant, but not necessarily both
d. The main effects for both factor A and factor B are also significant
7. If the results of a two factor experiment are presented in a line graph, than an interaction can be see whenever______.
a. There is a space separating the lines
b. The lines in the graph are not straight (bent)
c. The lines are parallel
d. The lines move toward each other or cross
8. In a two factor ANOVA, which of the following is not computed directly but rather is found by subtraction?
a. Ss between treatments
b. SS B
c. SS Al
d. SS AxB
9. For an experiment involving 3 levels of factor A and 4 levels of factor B with a sample of n=r5 in each treatment condition, what is the value for df within?
a. 60
b. 48
c. 12
d. 24
10.A two factor analysis of variance produces an F ration for factor A that has df=2,32. This analysis is comparing three different levels of factor A.
a. true
b. false
10. A two factor independent-measures research study with 2 levels of factor A and 2 levels of factor B would require 2 separate samples.
a. Ture
b. False
11. If the F-ratio for factor A has df=2,24 and F-ratio for factor b has df=2,24, then the F-ratio for the interaction must also have df=2,24.
a. True
b. False
12. The number of different treatment conditions(cells) in a two factor experiement is equal to the sum of df A, dfB, and dfAxB.
a. Ture
b. False
13. A two factor ANOVA consists of three separate hypothesis tests.
a. True
b. false
Explanation / Answer
1.A
may have different df values but they all have the same denominator.
2.B
an indication of an A-effect and an indication of no interaction
3.A
3 levels of factor A and 4 level of factor B
4.A
factor
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