If "history" or some other factor threatens the internal validity of a research design, this means that the possible effects of an extraneous variable are confounded with the
A) effects of the independent variable.
B) effects of random assignment.
C) measurement of the dependent variable.
D) constancy of experimental conditions.
Correct Answer:
Verified
Q1: A study lacks _ if it fails
Q3: An experiment is conducted to assess the
Q4: Suppose you have developed a treatment to
Q5: Suppose you want to study the effects
Q6: Suppose you want to test the effects
Q7: A study of the effects of the
Q8: _ is likely to be a threat
Q9: Which threat to internal validity is controlled
Q10: Random assignment of subjects to experimental conditions
Q11: _ is due to random measurement error
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