An industrial psychologist wishes to determine the effects of satisfaction with pay and satisfaction with job security on overall job satisfaction. He obtains measures of each variable for a total group of 20 employees, and the results are shown in the following table. (Cell entries represent overall job satisfaction, where 7 = very satisfied and 1 = very dissatisfied.)

a. Perform a two-way ANOVA on these data. Using an alpha of .05, what can the psychologist conclude?

b. Compute partial eta squared for each of the main effects. Comment on the size of each effect.

c. Graph the cell means for these data. What type of interaction do you see: ordinal or disordinal?

d. Test all of the simple main effects. What specific conclusions can you draw from these tests?

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Satisfaction with pay Satisfaction with job security High Low 3 High 1 Low 3 1. 2. 2. 2.