Theory influences the observations and outcomes of an experiment. The instrument of measurement may have an even more subtle impact on findings by limiting both the measurements made and the responses of the organism to the experimental situation. Experiments relating to activity level and food deprivation illustrate instrumental intervention.
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References
1.
HallJ. F.The psychology of learning. Philadelphia: Lippincott, 1966.
2.
McluhanM.Understanding media: the extensions of man. New York: McGraw-Hill, 1965.
