Parents who lay down rules for their children to follow without argument are showing which style of parenting?

Which statement is FALSE?

a) men's attitudes towards extramarital sex are less permissive than are women's b) men think about sex more often than women do c) men masturbate more often than women do d) men are more tolerant of casual premarital sex than are women

Maya is conducting an intervention to improve physicians' communication with patients. She has one group of physicians participate in a workshop on effective communication styles and the other group of physicians read a paper about immunizations. To measure effective communication, she then has judges code audiotapes of the physicians' interactions with patients. She finds that the communication workshop was effective in improving their communication, but mostly for young physicians - it was less effective for old physicians. In this study, the age of the physicians was a(n):

a. confound b. mediator c. moderator d. artifact e. third variable