Zsuzsi is conducting a study to determine whether skateboarding causes a reduction in intelligence. In this experiment, skateboarding is the

a. control group

What is the crisis of middle childhood according to Erikson?

A) Competency versus risk-taking B) Basic trust versus mistrust C) Industry versus inferiority D) Latency versus sexual development

A pattern of conversational interaction between parent and infant that involves alternate sending and receiving of messages is referred to as

a. turn-taking. b. imprinting. c. presemantics. d. transformation.