Darwin's ideas of evolution were not new. What was new about Darwin's work was his ____.?
a. ?hard data to support such a theory
b. ?focus on lower animals
c. ?work on emotions
d. ?idea of natural selection
e. ?idea of survival of the fittest
a
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Adaptation level is reached when a. competence exceeds an environmental press
b. environmental press exceeds competence. c. the environmental press makes no demands on competence but competence still exists. d. the environmental press is at the average state for a given level of competence.
Dr. Fowler is interested in studying how indoor lighting can influence people's moods during the winter. A sample of 100 households is selected. Fifty of the homes are randomly assigned to the bright-light condition where Dr. Fowler replaces all the lights with 100-watt bulbs. In the other 50 houses, all the lights are changed to 60-watt bulbs. After two months, Dr. Fowler measures the level of
depression for the people living in the houses. In this study, the independent variable is the ____. a. brightness of the lights b. level of depression c. houses with 100-watt bulbs d. houses with 60-watt bulbs
Means-ends analysis is a good problem-solving heuristic to use when:
a. there are numerous options at the start of a problem, but there will be few options at the end b. both the starting point and the ending point for the problem are poorly defined c. the problem can be broken down into a series of subproblems or subgoals d. all the other heuristics have failed to produce workable solutions
Language development begins with crying, cooing and babbling which are referred to as
a. prelinguistic words. c. symbolic sounds. b. prelinguistic vocalizations. d. none of these.