In 1937, Ramón y Cajal observed __________ under a microscope and referred to them as "protoplasmic kisses."

The self-consciousness and egocentrism common in early adolescence is likely to result in experiences of

a. formal operational reasoning. b. alienation. c. social support. d. peer group membership.

The capacity for pretense requires that children understand the difference between and

a. signs; symbols b. pretend; real c. language; thinking d. fantasy; play