In attempting to solve a problem, a subject fails to see that the old doorknob in the box could be used as a weight to hang on the balance scale. This subject is exhibiting

One study examined the impact of informational and emotional support for men and women who were undergoing facial surgery. Results revealed that people who had

a. more social support anticipated their surgery with more anxiety, required more anesthesia during surgery and had longer hospital stays. b. more social support anticipated their surgery with less anxiety, required less anesthesia, and had briefer hospital stays. c. less social support anticipated their surgery with more enthusiasm, required more anesthesia, and had briefer hospital stays. d. less social support anticipated their surgery with more sadness, required less anesthesia, and had briefer hospital stays.

Basil and Derin are both playing in the sandbox. Basil is making a sandcastle and Derin is making roads, so that he can drive his matchbox cars. Their interactions consist of sharing and borrowing toys. This is an example of

a. associative play. c. constructive play. b. cooperative play. d. parallel play.