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PreClass Questions(PCQ) - 12

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1.

Describe as much as your can about this design using the vocabulary we have learned.

Subjects were divided into males and females. Half of the males saw three female pictures and the other half saw three male pictures. The three sets of pictures were: attractive, neutral, and unattractive. Likewise, half of the females saw the same three female pictures and half saw the same three male pictures. After they looked at each picture, subjects were asked to rate how successful each person would be in life.

 

2.

Fill in the ANOVA table including the p values

Source                SS       df                 MS       F          p

Caffeine           698.51     3                  __        __        __

Sleep             ______      2                 __         __       __

Interaction       274.83    __               __          __      __

Within groups 469.33   __               ___

Total               1636.26    35

 

3.

 In a contingency table, the word "independence" means

A.

 the distribution of one variable varies over different levels of the other

B.

 the variables in the table should not be compared

C.

 the observed frequencies are larger than the expected frequencies

D.

 there is no relationship between the variables.
Comment?
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Revised: September 23, 2001.