Which of the following is a correct sequence of development during the germinal period?

A biological basis for panic disorder is suggested by the finding that

a. identical and fraternal twins are equally likely to develop panic disorder. b. panic disorder responds well to family psychotherapy. c. persons who develop panic disorder after lactic acid injections are more likely to have biological relatives with a history of anxiety disorder. d. haloperidol is an effective antidote for anxiety. e. panic disorder can be precipitated by the use of alcohol and cocaine.

What was one example given in the text for how a couple's score on Rubin's love scale correlates with their behavior?

a. Probability they will get married b. Probability they will cheat on each other c. How many sexual partners they have had d. How many years they have been together