By the end of what month do pregnant women typically feel the movements of the fetus?

Which of the following is used to test for factorial ANOVA?

a. t-test b. z-test c. F test d. Chi-square

In one study of 16 couples, the wives had to lie in an MRI machine, periodically receiving a mild but stressful electric shock on their ankles. During the procedure, some women received a touch on the hand from a stranger;

others held hands with their husbands. What general principle can be drawn from the results of this study? a. Touch can be comforting, but it does not actually reduce stress and anxiety activity in the brain. b. Any human touch reduces pain and negative emotions equally.