One reason a valid experiment may produce null results is:
A) the range of levels in the independent variable was insufficient to show an effect.
B) the dependent variable reflects a broad range of performance.
C) that the experiment is conducted in an environment that is too artificial.
D) that reactivity occurs in the participants (e.g.,they adopt the role of the "good subject") .
Correct Answer:
Verified
Q2: Dependent variables are:
A) manipulated by the researcher.
B)
Q3: An experimental group or condition:
A) receives the
Q4: The control group in an experiment:
A) fixes
Q5: A possible problem in generalizing from the
Q6: When we do an experiment,we:
A) measure independent
Q7: In experiments,the independent variable should be _,the
Q8: Which of the following is not one
Q9: A variable that inadvertently causes an experimental
Q10: If you conducted a study on the
Q11: In the research on decompression of pregnant
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