A research question that asks what causes specific behaviors to occur is a ______ research question.

The notion that human language is primarily controlled by the left hemisphere was first set forth by ______

a. Broca b. Wernicke c. Gall d. Korsakoff

Older siblings

a. play a role in developing a child’s conversational skills. b. seem to make it more difficult for a younger child to communicate with adults. c. are not as effective as younger siblings in developing a child’s conversational skills. d. don’t really affect a younger child’s conversational skills.