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AmitP AmitP
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7 years ago
A threat to internal validity due to something that occurs and affects the dependent variable during an experiment, but that is unplanned and outside the control of the experimenter is called ________________ . 
a.   internal validity error
b.   historical error
c.   history effects
d.   random error
e.   spontaneous error
Textbook 
Criminal Justice and Criminology Research Methods

Criminal Justice and Criminology Research Methods


Edition: 2nd
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AtlantaerAtlantaer
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7 years ago
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