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Psych Ch 2 Review Part 2
Test Description: Chapter 2: Experimental Design
Instructions: Answer all questions to get your test result.
1) Why does a researcher manipulate variables in an experiment?
A
to determine a cause and effect relationship
B
to have fun
C
to establish a control group
D
to predict behavior change
2) Which element of the experimental design is the variable that is manipulated (added) in order to cause a change
A
Control group
B
Dependent Variable
C
Independent Variable
D
Placebo
3) Which element of experimental design is the behavior or mental process that is being measured
A
Independent Variable
B
Random Assignment
C
Dependent Variable
D
Natural Selection
4) This group is not exposed to the independent variable
A
confounding variables
B
informed consent participants
C
manipulated group
D
control group
5) What is the purpose of random assignment?
A
to minimize the effects of any pre-existing differences among participants in a group
B
to buy a new computer program for the research department to use
C
to divide the groups according to participant similarity
D
to control the animals in the experiment
6) Which group are the participants in if they are exposed to the independent variable?
A
case study group
B
experimental group
C
dependent group
D
control group
7) What is the term for the procedure that ensures that neither the participants nor the researcher know who is in the control & experimental group?
A
Placebo Procedure
B
Single-Blind Procedure
C
Double-Deaf Procedure
D
Double-Blind Procedure
8) Which group recieves the placebo?
A
group A
B
observed group
C
experimental group
D
control group
9) If your hypothesis is not confirmed, it is called a
A
mistake
B
null-hypothesis
C
false-hypothesis
D
lie
10) What are confounding variables?
A
vocabulary words that confuse you
B
causes change in the IV
C
anything that can cause change in the dependent variable, other than the IV
D
the name of a random assignment computer program
*select an answer for all questions
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