A researcher examines the satisfaction levels of married couples and predicts that husbands are more satisfied than wives. She calculates the following confidence interval, with wives' scores subtracted from husbands' scores: -1.5 sus-5. What should she conclude? (A) Fail to reject the null: wives's scores were actually greater than those of their husbands B) Reject the null: wives have higher satisfaction scores than do husbands OC) Reject the null: husbands have higher satisfaction scores than do wives (D) Fail to reject the null: husbands and wives have about the same satisfaction scores