1. When looking at the matrix for a two-way ANOVA, which means (row, column, or cell means) do we look at to assess if there is an interaction effect? A row and column means B just row means C just column means D cell means 2. A marketing company wanted to test what makes people purchase cereal more and tested box size and flashy graphics. Which of the following would be considered responsible for the main effects of this study? a the results of each box size and flashy graphics b the results for only box size c the results for only flashy graphics d behavior of purchasing cereal 3. A dentist wanted to test the effect of a new mouthwash and wondered how many seconds people would have to gargle in order for their breath to feel fresh. She had patients gargle the mouthwash for 10, 20 and 40 seconds (number of seconds; Factor A). She also wanted to know if there was age level (Factor B) interacted with number of seconds and tested the above conditions in one of three age groups of participants (i.e., young adults, middle age, and older adults) to determine their ratings. This study would be considered which of the following designs? a 2x2 two factor ANOVA b 2x3 one factor ANOVA c 4x3 two factor ANOVA d 3 x 3 two factor ANOVA
1. When looking at the matrix for a two-way ANOVA, which means (row, column, or cell means) do we look at to assess if there is an interaction effect?
| A |
row and column means |
|
| B |
just row means |
|
| C |
just column means |
|
| D |
cell means |
2. A marketing company wanted to test what makes people purchase cereal more and tested box size and flashy graphics. Which of the following would be considered responsible for the main effects of this study?
| a |
the results of each box size and flashy graphics |
|
| b |
the results for only box size |
|
| c |
the results for only flashy graphics |
|
| d |
behavior of purchasing cereal |
3.
A dentist wanted to test the effect of a new mouthwash and wondered how many seconds people would have to gargle in order for their breath to feel fresh. She had patients gargle the mouthwash for 10, 20 and 40 seconds (number of seconds; Factor A). She also wanted to know if there was age level (Factor B) interacted with number of seconds and tested the above conditions in one of three age groups of participants (i.e., young adults, middle age, and older adults) to determine their ratings.
This study would be considered which of the following designs?
| a |
2x2 two factor ANOVA
|
|
| b |
2x3 one factor ANOVA |
|
| c |
4x3 two factor ANOVA |
|
| d |
3 x 3 two factor ANOVA |
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