Question 1

When selecting a comparison group in a quasi-experimental design, one should:​

Accepted Answer

A)   ​select a group unlike the experimental group:
B)   select a group as similar as possible to the experimental group:​
C)   use random assignment.​
D)   avoid the use of switching replications.​E) C) and D)
F) None of the above

Question 2

Identify and explain four practical pitfalls commonly encountered when carrying out experiments and quasi-experiments in social agencies.​

Accepted Answer

1. Selection bias: This occurs when the ...

Question 3

Discuss the advantages and disadvantages of cross-sectional studies and the case control design.​

Accepted Answer

Cross-sectional studies and case control...

Question 4

Describe and explain the logical arrangements used in nonequivalent comparison groups designs, simple time-series designs, and multiple time-series designs.​

Accepted Answer

Nonequivalent comparison group designs i...

Question 5

To avoid or alleviate practical pitfalls when carrying out experiments in social work agencies, researchers should:​

Accepted Answer

A)   ​Include agency staff in the research planning phase.
B)   ​Keep research staff away from program staff during the study.
C)   ​Avoid developing or using treatment manuals for the experimental or control conditions.
D)   ​Refrain from recruiting clients on an ongoing basis throughout the study.E) A) and C)
F) B) and C)

Question 6

Which of the following statements is/are true about case-control designs?​

Accepted Answer

A)   ​They are rarely feasible.
B)   Data must be collected at multiple points in time.​
C)   Retrospective data are collected about past differences that might explain differences in outcome.​
D)   We can usually be highly confident about their internal and external validity.​
E)   ​We can usually be highly confident about the direction of causal influence.F) B) and E)
G) None of the above C

Question 7

Time-series designs with many measurement points control for maturation.​

Accepted Answer

A) True 
 B)False

Question 8

After the delivery of their baby, new parents in hospital A were given a poison-control test. While at the hospital they attended a training session on poison control. At the end of a week, they were given the poison-control test again. After the delivery of their baby, new parents in hospital B were given the poison-control test. One week later they were given the test again. What kind of design is being used?​

Accepted Answer

A)   ​pretest-posttest control group:
B)   time series.​
C)   nonequivalent comparison group:​
D)   cross-sectional design.​
E)   ​multiple time-series.F) D) and E)
G) All of the above

Question 9

Quasi-experimental designs are often used instead of experimental designs because​

Accepted Answer

A)   ​agency constraints often make experiments infeasible.
B)   they have more internal validity than experiments​
C)   quasi-experiments randomly assign participants to groups.​
D)   they use random assignment.​E) None of the above
F) A) and D)

Question 10

Which of the following statements is true about carrying out experiments and quasi-experiments in social agencies?​

Accepted Answer

A)   ​The intervention being tested is almost always implemented in the intended fashion.
B)   ​The control condition almost never is contaminated by interaction between clients in the experimental and control groups.
C)   ​Practitioners might violate the research protocol for case assignment to make sure that clients receive the intervention being evaluated.
D)   ​Outside agencies can be relied upon to refer enough clients to ensure obtaining a sufficient sample size.E) All of the above
F) B) and C) C

Question 11

Which of the following statements is true about client recruitment and retention in experimental and quasi-experimental evaluations in social work agencies?​

Accepted Answer

A)   ​Referring agencies almost never dump clients that they don't want to serve.
B)   ​Referring agencies are usually eager to refer clients.
C)   ​Referring agencies might resent having their referrals assigned to a control condition.
D)   ​Clients usually welcome the use of randomized procedures to determine which service they receive.E) A) and D)
F) B) and D)

Question 12

The best way to avoid contaminating the control condition is to locate the experimental and control conditions in the same building​

Accepted Answer

A) True 
 B)False

Question 13

Time-series designs with many measurement points control for statistical regression.​

Accepted Answer

A) True 
 B)False

Question 14

Discuss how qualitative methods can be used to try to avoid or alleviate the pitfalls identified above in essay number 2.​

Accepted Answer

Qualitative methods can be used to avoid...

Question 15

When we switch replications in a non-equivalent comparison group design, we:​

Accepted Answer

A)   ​administer the treatment to the control group before posttesting.
B)   can determine whether the difference between the groups at the first posttest may be attributed to the lack of comparability between the two groups.​
C)   decrease the chances of determining whether the difference between the groups at the first posttest may be attributed to a selection bias.​
D)   decrease the internal validity of the design.​E) None of the above
F) B) and C)

Question 16

Nonequivalent comparison groups designs can be strengthened by:​

Accepted Answer

A)   ​using multiple pretests or switching replications.
B)   using smaller sample sizes.​
C)   using no pretests​
D)   using replication without switching.​E) B) and C)
F) B) and D)

Question 17

Explain why the validity of quasi-experimental designs is strengthened by using multiple pretests, switching replications, and selecting a comparison group as similar as possible to the experimental group:​

Accepted Answer

Quasi-experimental designs are often use...

Question 18

Cross-sectional designs have a high degree of internal validity because they show how causal processes occur over time.​

Accepted Answer

A) True 
 B)False

Question 19

Qualitative methods offer a number of techniques that on-site research staff members can use in attempting to observe research implementation pitfalls.​

Accepted Answer

A) True 
 B)False  True

Question 20

Which of the following is/are NOT a characteristic of a cross-sectional study?​

Accepted Answer

A)   ​It is conducted at only one point in time.
B)   It can be exploratory, descriptive, or explanatory.​
C)   It concentrates on the changes that take place within a specific sample over a period of time.​
D)   It provides a means for studying a large variation in the population at the same point in time.​E) B) and C)
F) A) and D)

Exam 12: Quasi-Experimental Designs

When selecting a comparison group in a quasi-experimental design, one should:

Correct Answer
verified

Identify and explain four practical pitfalls commonly encountered when carrying out experiments and quasi-experiments in social agencies.

Correct Answer
Answered by ExamLex AI
1. Selection bias: This occurs when the ...
View Answer

Discuss the advantages and disadvantages of cross-sectional studies and the case control design.

Correct Answer
Answered by ExamLex AI
Cross-sectional studies and case control...
View Answer

Describe and explain the logical arrangements used in nonequivalent comparison groups designs, simple time-series designs, and multiple time-series designs.

Correct Answer
Answered by ExamLex AI
Nonequivalent comparison group designs i...
View Answer

To avoid or alleviate practical pitfalls when carrying out experiments in social work agencies, researchers should:

Correct Answer
verified

Which of the following statements is/are true about case-control designs?

Correct Answer
verified
C

Time-series designs with many measurement points control for maturation.

Correct Answer
verified

Correct Answer
verified

Quasi-experimental designs are often used instead of experimental designs because

Correct Answer
verified

Which of the following statements is true about carrying out experiments and quasi-experiments in social agencies?

Correct Answer
verified
C

Which of the following statements is true about client recruitment and retention in experimental and quasi-experimental evaluations in social work agencies?

Correct Answer
verified

The best way to avoid contaminating the control condition is to locate the experimental and control conditions in the same building

Correct Answer
verified

Time-series designs with many measurement points control for statistical regression.

Correct Answer
verified

Discuss how qualitative methods can be used to try to avoid or alleviate the pitfalls identified above in essay number 2.

Correct Answer
Answered by ExamLex AI
Qualitative methods can be used to avoid...
View Answer

When we switch replications in a non-equivalent comparison group design, we:

Correct Answer
verified

Nonequivalent comparison groups designs can be strengthened by:

Correct Answer
verified

Explain why the validity of quasi-experimental designs is strengthened by using multiple pretests, switching replications, and selecting a comparison group as similar as possible to the experimental group:

Correct Answer
Answered by ExamLex AI
Quasi-experimental designs are often use...
View Answer

Cross-sectional designs have a high degree of internal validity because they show how causal processes occur over time.

Correct Answer
verified

Qualitative methods offer a number of techniques that on-site research staff members can use in attempting to observe research implementation pitfalls.

Correct Answer
verified
True

Which of the following is/are NOT a characteristic of a cross-sectional study?

Correct Answer
verified

Exam 12: Quasi-Experimental Designs

When selecting a comparison group in a quasi-experimental design, one should:​

Correct AnswerverifiedShow Answer

Identify and explain four practical pitfalls commonly encountered when carrying out experiments and quasi-experiments in social agencies.​

Correct AnswerAnswered by ExamLex AI1. Selection bias: This occurs when the ...View AnswerShow Answer

Discuss the advantages and disadvantages of cross-sectional studies and the case control design.​

Correct AnswerAnswered by ExamLex AICross-sectional studies and case control...View AnswerShow Answer

Describe and explain the logical arrangements used in nonequivalent comparison groups designs, simple time-series designs, and multiple time-series designs.​

Correct AnswerAnswered by ExamLex AINonequivalent comparison group designs i...View AnswerShow Answer

To avoid or alleviate practical pitfalls when carrying out experiments in social work agencies, researchers should:​

Correct AnswerverifiedShow Answer

Which of the following statements is/are true about case-control designs?​

Correct AnswerverifiedC

Time-series designs with many measurement points control for maturation.​

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Quasi-experimental designs are often used instead of experimental designs because​

Correct AnswerverifiedShow Answer

Which of the following statements is true about carrying out experiments and quasi-experiments in social agencies?​

Correct AnswerverifiedC

Which of the following statements is true about client recruitment and retention in experimental and quasi-experimental evaluations in social work agencies?​

Correct AnswerverifiedShow Answer

The best way to avoid contaminating the control condition is to locate the experimental and control conditions in the same building​

Correct AnswerverifiedShow Answer

Time-series designs with many measurement points control for statistical regression.​

Correct AnswerverifiedShow Answer

Discuss how qualitative methods can be used to try to avoid or alleviate the pitfalls identified above in essay number 2.​

Correct AnswerAnswered by ExamLex AIQualitative methods can be used to avoid...View AnswerShow Answer

When we switch replications in a non-equivalent comparison group design, we:​

Correct AnswerverifiedShow Answer

Nonequivalent comparison groups designs can be strengthened by:​

Correct AnswerverifiedShow Answer

Explain why the validity of quasi-experimental designs is strengthened by using multiple pretests, switching replications, and selecting a comparison group as similar as possible to the experimental group:​

Correct AnswerAnswered by ExamLex AIQuasi-experimental designs are often use...View AnswerShow Answer

Cross-sectional designs have a high degree of internal validity because they show how causal processes occur over time.​

Correct AnswerverifiedShow Answer

Qualitative methods offer a number of techniques that on-site research staff members can use in attempting to observe research implementation pitfalls.​

Correct AnswerverifiedTrue

Which of the following is/are NOT a characteristic of a cross-sectional study?​

Correct AnswerverifiedShow Answer

When selecting a comparison group in a quasi-experimental design, one should:

Correct Answer
verified

Identify and explain four practical pitfalls commonly encountered when carrying out experiments and quasi-experiments in social agencies.

Correct Answer
Answered by ExamLex AI
1. Selection bias: This occurs when the ...
View Answer

Discuss the advantages and disadvantages of cross-sectional studies and the case control design.

Correct Answer
Answered by ExamLex AI
Cross-sectional studies and case control...
View Answer

Describe and explain the logical arrangements used in nonequivalent comparison groups designs, simple time-series designs, and multiple time-series designs.

Correct Answer
Answered by ExamLex AI
Nonequivalent comparison group designs i...
View Answer

To avoid or alleviate practical pitfalls when carrying out experiments in social work agencies, researchers should:

Correct Answer
verified

Which of the following statements is/are true about case-control designs?

Correct Answer
verified
C

Time-series designs with many measurement points control for maturation.

Correct Answer
verified

Correct Answer
verified

Quasi-experimental designs are often used instead of experimental designs because

Correct Answer
verified

Which of the following statements is true about carrying out experiments and quasi-experiments in social agencies?

Correct Answer
verified
C

Which of the following statements is true about client recruitment and retention in experimental and quasi-experimental evaluations in social work agencies?

Correct Answer
verified

The best way to avoid contaminating the control condition is to locate the experimental and control conditions in the same building

Correct Answer
verified

Time-series designs with many measurement points control for statistical regression.

Correct Answer
verified

Discuss how qualitative methods can be used to try to avoid or alleviate the pitfalls identified above in essay number 2.

Correct Answer
Answered by ExamLex AI
Qualitative methods can be used to avoid...
View Answer

When we switch replications in a non-equivalent comparison group design, we:

Correct Answer
verified

Nonequivalent comparison groups designs can be strengthened by:

Correct Answer
verified

Explain why the validity of quasi-experimental designs is strengthened by using multiple pretests, switching replications, and selecting a comparison group as similar as possible to the experimental group:

Correct Answer
Answered by ExamLex AI
Quasi-experimental designs are often use...
View Answer

Cross-sectional designs have a high degree of internal validity because they show how causal processes occur over time.

Correct Answer
verified

Qualitative methods offer a number of techniques that on-site research staff members can use in attempting to observe research implementation pitfalls.

Correct Answer
verified
True

Which of the following is/are NOT a characteristic of a cross-sectional study?

Correct Answer
verified