Guided search is relatively efficient because it makes use of ________________

According to the DSM-5, all of the following are considered symptoms of a manic episode, EXCEPT _______________.

Fill in the blank(s) with the appropriate word(s).

Until the 1960s, __________ in Western nations was largely limited to low-SES adults

A) singlehood B) cohabitation C) marrying young D) having children before age 25