An advantage of science as a human activity is that:
a. science is subject to experimenter values.
b. we can rely more on our collective common sense than on observation.
c. science can be done within a community of other scientists.
d. knowledge can only exist in social contexts.
C
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Which of the following groups serves as a point of reference for a comparison of results in an experiment?
a. independent group b. experimental group c. control group d. dependent group
You want to test people's cola preferences, so you conduct a taste test using two different brands of cola
However, you are worried about possible clues you may give people taking the test. So, you label the two colas and have your assistant, who does not know which cola is which, administer the test to the subjects. Thus, you have prevented yourself and your assistant from giving out any clues by using a. random selection. b. random assignment. c. a single-blind experiment. d. a double-blind experiment.