If the predicted direction in the alternative hypothesis is correct, then a one-tailed t test will be more powerful than a two-tailed t test.

Some developmentalists believe that adolescent egocentrism

is a selfish, immature attitude. may signal growth toward cognitive maturity. is not supported by recent research. is more common in boys than in girls.

____________ refers to cognitive dysfunction resulting from a series of small strokes

A) Neurocognitive disorder not otherwise specified B) Major or mild vascular neurocognitive disorder C) Substance/medication-induced major or minor neurocognitive disorder D) Neurocognitive disorder due to other general medical conditions