Attachment begins to form in early life, usually solidifying by the age of ______

The term statistical significance implies that the results are

A) important. B) extremely meaningful. C) valid. D) not likely due to chance.

According to Piaget, a form of egocentrism emerges during the formal operational stage in which adolescents have difficulty

A) distinguishing their own and others' perspectives. B) with day-to-day decision making. C) comparing the merit of their accomplishments with that of others. D) establishing a sense of self that is independent from their parents.