A researcher presents two lights of varying brightness to a subject who is asked to respond same or different by comparing their intensities. The researcher is seeking the __________ threshold

The authors of your text discuss the idea that social psychology progresses through the process of theory refinement. Which of the following is the best summary of theory refinement?

a. Theories are developed and debated by experts in the field. b. When hypotheses are proven, they become theories. c. Theories are developed, hypotheses are proposed and tested, and then theories are revised. d. Hypotheses are proposed and tested at least three times by different researchers before altering a theory.

Wendy and James pretend to fly. They run around the yard with their arms outstretched. James says, "Wendy, flap your arms. It makes you go faster!" They are engaged in __________ play

A) cooperative B) associative C) parallel D) nonsocial