A psychologist wants to know whether wives and husbands who bothserve in a foreign war have similar levels of satisfaction in theirmarriage. To test this, six married couples currently serving in aforeign war were asked how satisfied they are with their spouse ona 7-point scale ranging from 1 (not satisfied at all) to 7(very satisfied). The following are the responses fromhusband and wife pairs.
| Married Couples |
|---|
| Wife | Husband |
|---|
| 7 | 5 |
| 4 | 6 |
| 7 | 5 |
| 7 | 6 |
| 7 | 5 |
| 5 | 5 |
(a) Test whether or not mean ratings differ at a 0.05 level ofsignificance. State the value of the test statistic. (Round youranswer to three decimal places.)
(b) Compute effect size using eta-squared. (Round your answer totwo decimal places.)
