Question: A researcher collects data on married couples to see whether
A researcher collects data on married couples to see whether men and women differ in their mean levels of marital satisfaction. For each married couple, both the husband and wife fill out a scale that measures their level of marital satisfaction; the researcher carries out an independent samples t test to test the null hypothesis that male and female levels of marital satisfaction do not differ. Is this analysis appropriate? Why or why not?
Answer to relevant QuestionsA non-experimental study was done to assess the impact of the accident at the Three Mile Island (TMI) nuclear power plant on nearby residents (Baum, Gatchel, and Schaeffer, 1983). Data were collected from residents of the ...Suppose that Kim is a participant in a study that compares several coaching methods to see how they affect math SAT scores. The grand mean of math SAT scores for all participants in the study is 550. The group that Kim ...Suppose that two raters (rater A and rater B) each assign physical attractiveness scores (0 = not at all attractive to 10 = extremely attractive) to a set of 7 facial photographs. Pearson r is a common index of inter-rater ...How are r and r2 interpreted? How are r, b and β related to each other?
Post your question