______ theory seeks to explain growth of individual knowledge and competencies in terms of guidance, support, and structure provided by the broader cultural context

The perceptual threshold for vision is defined as the ability to detect ________ located _________ on a clear night

a. a candle flame; 1 mile away b. car headlight; 1 mile away c. an emergency flare; 30 miles away d. a candle flame; 30 miles away e. a camp fire; 8 miles away

Milgram's studies on obedience to authority violated several ethical principles. These include all of the following EXCEPT

a. no true informed consent. b. no debriefing period. c. deception. d. inflicted insight.