1. A group of college students were
given a short course in speed-reading. The instructor was curious if a
monetary incentive would influence performance on a reading test taken
at the end of the course. Half the students were offered $5 for
obtaining a certain level of performance on the test, the other half
were not offered money. Based on the situation presented, identify the:
Independent variable:
Dependent variable:
Experimental group:
Control group:
2. A social psychologist thinks that
people are more likely to conform to a large crowd than to a single
person. To test this hypothesis, the social psychologist had either one
person or five persons stand on a busy walking path on campus and look
up. The psychologist stood nearby and counted the number of people
passing by who also looked up.
Independent variable:
Dependent variable:
Experimental group:
Control group:
3. To test a new voice feature in a
cockpit design a flight simulator was used. The simulator was
programmed to give visual readings of flight information, or to give
visual and auditory (voice) readings of flight information. All
test pilots were put through a simulated emergency landing procedure,
but were randomly assigned to the visual, or visual and auditory
conditions. Flight experts rated each pilot’s performance in the
simulator on a scale of 1 (very poor) to 10 (excellent).
Independent variable:
Dependent variable:
Experimental group:
Control group:
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