In experimental research, the variable that is manipulated by the experimenter is called the ________________ variable.
A) independent
B) dependent
C) operational
D) random
Correct Answer:
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Q453: In experimental research, the researcher _ the
Q454: When each experiment group is made of
Q455: The logic behind most experimental research design
Q456: The procedure that ensures that all subjects
Q457: An educational psychologist wants to study the
Q459: The group not exposed to the treatment
Q460: One of the essential features of true
Q461: Placebo effects
A)decrease internal validity
B)are not real
C)only affect
Q462: A researcher is concerned that his expectations
Q463: The concept of replication is most closely
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