In a study by Chaiken and Pliner (1987), research participants read an “eating d

Question

In a study by Chaiken and Pliner (1987), research participants read an “eating diary" that was attributed to either a male or female. The information in the diary indicated that the person ate either large meals or small meals. The participants then rated the person's femininity on a scale of 0-4 with 4 indicating highly feminine. The mean scores are as follows Male Female Small meals 2.02 3.90 Large meals 2.05 2.92 1. Although the final conclusions would be based on statistical significance tests, if we assume that any difference of 1 or more indicates statistical significance, these results indicate a(n) main effects of both variables 2.What sort of design is this? 2x2 3. In the above study, does it look like there may be an interaction? That is, does the level of one independent variable have a different effect depending on the level of the other independent variable? Yes

Explanation / Answer

1. The difference between males and females for small meals would be considered significant because for males it is 2.02 and for females it is 3.90 and the difference between these is greater than 1. However for large meals, it is less than 1 becaus for males it is 2.05 and for females it 2.92. Hence the main effect is only observed for one variable.

2. Your answer is correct.

3. Your answer is correct.

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