Determining hypothesis testing t-stat

Reference no: EM13113891

a. Attitude change is thought to result from the anxiety produced under conditions of cognitive dissonance. The data below represent the anxiety scores of subjects in a dissonance study. Assuming that anxiety is distributed with mean=10 and standard deviation=2 test whether this sample exhibited more anxiety than would be expected by chance alone. Make a clear, concise interpretation.
n=30, x bar=9, SS=96

b. Next, compare (2-tailed) the above (dissonance) to a control group with the following data. Make a clear, concise interpretation. n=30, x bar=11,SS=38

c. To further test these relationships, you cross the dissonance conditions with high and low anxiety conditions. That is, the subjects are assigned to either dissonance or control and either to receive a high or low anxiety stimulus. The DV is attitude change. Interpret these data.

Anxiety- High Dissonance

Anxiety- High Control

Anxiety-Low Dissonance

Anxiety- Low Control

F(3,39)=4.88,p<.05

Anxiety, p<.05

Dissonance, p<.05

Interaction, p<.05

Reference no: EM13113891

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