Question

For each situation, determine your dependent (DV) and independent (IV) variables and their levels of measurement. Determine an appropriate statistical test for the following situations.

1. You want to know if your colleagues attribute greater importance to social hour than to teamwork. You measured importance of both social hour and team work on a 1 through 7 semantic differential scale where 1 = not at all important and 7 = very important.

DV =

IV =

Test =

2. You want to know if businesses governed by a minority CEO differ in their sales than business governed by a Caucasian CEO. You divided all business in your town as chaired by a minority versus a Caucasian CEO and got records of their last year sales.

DV =

IV =

Test =

3. You work for an alumni relationships office at the university and want to know if alumni age is associated with the amount of giving. You have records of your alumni age and donations over the last 50 years.

DV =

IV =

Test =

Answer 1

1)

DV =importance

IV = social hour/ team work

Test = wilcoxon rank-sum test

2)

DV = Sales

IV = minority CEO / Caucasian CEO.

Test = 2-sample independent t-test

3)

DV = amount of giving

IV = alumni age

Test = correlation / regression