Question

In: Statistics and Probability

A psychologist wants to know whether wives and husbands who both serve in a foreign war...

A psychologist wants to know whether wives and husbands who both serve in a foreign war have similar levels of satisfaction in their marriage. To test this, six married couples currently serving in a foreign war were asked how satisfied they are with their spouse on a 7-point scale ranging from 1 (not satisfied at all) to 7 (very satisfied). The following are the responses from husband and wife pairs.

Married Couples
Wife Husband
7 5
4 6
7 5
7 6
7 5
6

5

(a) Test whether or not mean ratings differ at a 0.05 level of significance. State the value of the test statistic. (Round your answer to three decimal places.)

(b) Compute effect size using eta-squared. (Round your answer to two decimal places.)

Solutions

Expert Solution

Let us denote the difference

d = rating for Wife - rating for Husband

a)

The value of the test statistic = 1.581

orchestra answered 1 year ago
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