Psychology 321 - Psychology Research Method » Spring 2022 » Experimental design quiz
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Question #1
Which of the following statements is NOT true about the research design below? R O1 X1 O2 R O1 X0 O2 R __ X1 O2 R __ X0 O2
A.
Only 2 groups received treatment, and 2 groups did not receive treatment
B.
Subjects were randomly assigned into the groups
C.
All these are true about the design
D.
Since two groups did not get a pretest, it was not a true experimental design
E.
Only two groups received a pretest, but all groups received a posttest
Question #2
The purpose of this study was to see if dialectical behavioral therapy would decrease suicide ideation. (N) Dialectical behavioral therapy (DBT) (X1) -> suicide ideation (01) (N) No DBT treatment (X0) -> suicide ideation (01) Which is NOT true about this design?
A.
The design is a static group comparison design
B.
All these are true about the design
C.
The design is pre-experimental
D.
There was one treatment group and one comparison group
E.
There was no pretest
F.
Both groups got a posttest
Question #3
What design fits for the following research study? Participants were randomly assigned into two groups. Both groups were given a pretest and a posttest. One group received treatment, and one group did not. Both groups received a posttest.
A.
Solomon 4-group design
B.
Pretest posttest control group design
C.
Regression-discontinuity design
D.
One group pretest posttest design
E.
Pretest posttest nonequivalent group design
Question #4
Which of the following is NOT true about the following research design? Participants were assigned into a treatment group (i.e., divorce recovery workshop) based on a first-come, first-serve basis. Specifically, the first 50 people who signed up were given the divorce recovery workshop. The next 50 people who signed up were put into a comparison group (i.e., they did not get the divorce recovery workshop class). Both groups were given a pretest and posttest.
A.
All these are true about the design
B.
A cut-off score was used to assign participants into groups.
C.
This is a type of quasi-experimental design
D.
This is not a true experimental design because there was no random assignment and no true control group.
E.
The design was a regression-discontinuity design
Question #5
Which of the following is NOT true about a pretest posttest nonequivalent group design?
A.
There are two groups - one group gets treatment 1, one group gets treatment 2.
B.
Subjects are randomly assigned into groups.
C.
This is a type of quasi-experimental design.
D.
All of these are true.
E.
Both groups get a pretest (01) and posttest (02)
Question #6
Which of the following is NOT true?
A.
All these are true about the design
B.
All true experimental designs have random assignment into groups (i.e., experimental and true control groups), pretest(s), and posttest(s).
C.
There is no pretest and only one group in a one-shot case study design
D.
No pre-experimental designs will use random assignment; thus, there is no true control group. Also, there might not be a pretest in some pre-experimental designs.
E.
All quasi-experimental designs have pretest(s) and posttest(s), along with a treatment group, but there is no true control group because of the lack of random assignment.
Question #7
Which is NOT true about the following design? (R) BMI pretest -> Nutrition education -> BMI posttest (R) No pretest -> Nutrition education -> BMI posttest (R) BMI pretest -> No nutrition education -> BMI posttest (R) No pretest -> No nutrition education -> BMI posttest
A.
Two groups got nutrition education, but 2 groups did not
B.
All these are true about the design
C.
BMI was used at both pretest and posttest; however only 2 groups got the BMI pretest.
D.
This design helps determine whether the pretest is influencing the posttest
E.
This design is the Solomon 4-group design
Question #8
Which design is demonstrated below? (N) Sex test (O1) -> Sex class (X1) -> Sex test (O2) (N) Sex test (O1) -> No sex class (X0) -> Sex test (O2)
A.
Pretest posttest control group design
B.
Regression-discontinuity design
C.
Pretest posttest nonequivalent group design
D.
None of the choices are correct
E.
Nonequivalent comparison group design
Question #9
Which of the following is NOT true?
A.
All these are true about the design
B.
Interrupted time-series designs have multiple pretests and posttests
C.
Comparing a treatment group to a control group is a between subjects variable.
D.
A static comparison group design has a treatment group and comparison group, but no pretest.
E.
Comparing pretest scores to posttest scores is a within subjects variable.
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