Mr. and mrs. mckavick have three school–age children. their next–door neighbors, mr. and mrs. clancy, have three grandchildren who are about the same age as the mckavick's children. at the present time, based on research into marital satisfaction, it is most likely that a. both couples are experiencing high levels of satisfaction in their respective marriages. b. both couples are experiencing low levels of satisfaction in their respective marriages. c. the clancys are experiencing higher levels of marital satisfaction than the mckavicks are. d. the mckavicks are experiencing higher levels of marital satisfaction than the clancys are.