Question 1

Which of the following is 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 B)

Question 2

The one-group pretest-posttest design controls for passage of time.

Accepted Answer

A) True 
 B)False

Question 3

The problem of external validity refers to the generalizability of results.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

Cross-sectional studies and case control...

Question 5

The Solomon four-group design

Accepted Answer

A)   combines the classical experimental design with the posttest-only control group design.
B)   combines the classical experimental design with the pretest-only control group design.
C)   combines the classical experimental design with the static-group comparison design.
D)   combines the static-group comparison design with the one-group pretest-posttest design.E) A) and C)
F) C) and D)

Question 6

The classic experiment with random assignment of participants controls for:

Accepted Answer

A)   research reactivity
B)   measurement bias
C)   diffusion or imitation of treatments
D)   compensatory equalization and rivalry
E)   resentful demoralizationF)  all of theseG)  none of theseH) C) and E)
I) A) and B)

Question 7

Which of the following is LEAST suited to providing clear evidence about a causal relationship between the independent and dependent variables?

Accepted Answer

A)   classical experimental design.
B)   Solomon four-group design.
C)   posttest-only control group design.
D)   one-shot case study.E) None of the above
F) C) and D)

Question 8

Whenever two variables are correlated,we may assume that one is the cause of the other.

Accepted Answer

A) True 
 B)False

Question 9

Discuss how attrition can affect the validity of an experiment and describe steps to minimize attrition.

Accepted Answer

Attrition, or the loss of participants f...

Question 10

Assume that you have developed a study technique that you believe will result in students scoring higher on research methods exams.You test your study technique with the design diagrammed below.
R = random assignment
0 = observation
X = stimulus
R 01 X 02
R 03     04
Using the diagrammed design,what predictions will you make?

Accepted Answer

A)   02 should be greater than 01.
B)   02 should be greater than 04.
C)   04 should be greater than 03.
D)   02 should be greater than 01 and 04E) C) and D)
F) A) and B)

Question 11

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

Accepted Answer

A)   They rarely are 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 usually can be highly confident about their internal and external validity.
E)   We usually can be highly confident about the direction of causal influence.F) B) and E)
G) C) and D)

Question 12

The classic experiment with random assignment of participants controls for measurement bias.

Accepted Answer

A) True 
 B)False

Question 13

The design diagrammed in question 8

Accepted Answer

A)   treats 0 as the new teaching technique.
B)   treats 0 as the old teaching technique.
C)   treats X as the scores on the research methods exam.
D)   none of these.E) B) and C)
F) A) and C)

Question 14

Random assignment to experimental and control groups controls for research reactivity.

Accepted Answer

A) True 
 B)False

Question 15

The 55-mph speed limit was introduced in the U.S.in 1973.Shortly thereafter the number of auto accidents declined.We can conclude that

Accepted Answer

A)   the reduced speed limit caused the decline in auto accidents.
B)   the reduced speed limit may have caused the decline in the number of auto accidents.
C)   the reduced speed limit and the number of auto accidents are causally related.
D)   the reduced speed limit had nothing to do with the decline in auto accidents.E) None of the above
F) C) and D)

Question 16

Suppose a new social casework program is offered to students with high levels of truancy.If those students placed in the program by their families have significantly less truancy after participating than the students who did not participate in the program,then we can conclude that

Accepted Answer

A)   the program effectively reduces truancy.
B)   a selection bias might explain away the difference.
C)   causality cannot be inferred because of the lack of covariation.
D)   some clients benefited, so the program has value.E) A) and B)
F) A) and C)

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

A school social worker administered a self-esteem test to a group of 9th graders in September.During the school year the students received intensive social work intervention designed to improve their self-esteem.In May the self-esteem test was given again and the self-esteem scores improved.A major problem in this research is that the researcher failed to control for

Accepted Answer

A)   history.
B)   maturation.
C)   testing.
D)   selection biases.
E)   all of these.F) B) and D)
G) C) and D)

Exam 12: Experiments and Quasi-Experiments

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

Correct Answer
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Suppose a new social casework program is offered to students with high levels of truancy.If those students placed in the program by their families have significantly less truancy after participating than the students who did not participate in the program,then we can conclude that

Correct Answer
verified

Correct Answer
verified

Discuss how attrition can affect the validity of an experiment and describe steps to minimize attrition.

Correct Answer
Answered by ExamLex AI
Attrition, or the loss of participants f...
View Answer

The 55-mph speed limit was introduced in the U.S.in 1973.Shortly thereafter the number of auto accidents declined.We can conclude that

Correct Answer
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The classic experiment with random assignment of participants controls for measurement bias.

Correct Answer
verified

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

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

Correct Answer
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Which of the following is LEAST suited to providing clear evidence about a causal relationship between the independent and dependent variables?

Correct Answer
verified

The Solomon four-group design

Correct Answer
verified

Random assignment to experimental and control groups controls for research reactivity.

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

The classic experiment with random assignment of participants controls for:

Correct Answer
verified

Whenever two variables are correlated,we may assume that one is the cause of the other.

Correct Answer
verified

The problem of external validity refers to the generalizability of results.

Correct Answer
verified

The design diagrammed in question 8

Correct Answer
verified

The one-group pretest-posttest design controls for passage of time.

Correct Answer
verified

Exam 12: Experiments and Quasi-Experiments

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

Correct AnswerverifiedShow Answer

Suppose a new social casework program is offered to students with high levels of truancy.If those students placed in the program by their families have significantly less truancy after participating than the students who did not participate in the program,then we can conclude that

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Discuss how attrition can affect the validity of an experiment and describe steps to minimize attrition.

Correct AnswerAnswered by ExamLex AIAttrition, or the loss of participants f...View AnswerShow Answer

The 55-mph speed limit was introduced in the U.S.in 1973.Shortly thereafter the number of auto accidents declined.We can conclude that

Correct AnswerverifiedShow Answer

The classic experiment with random assignment of participants controls for measurement bias.

Correct AnswerverifiedShow 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

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

Correct AnswerverifiedShow Answer

Which of the following is LEAST suited to providing clear evidence about a causal relationship between the independent and dependent variables?

Correct AnswerverifiedShow Answer

The Solomon four-group design

Correct AnswerverifiedShow Answer

Random assignment to experimental and control groups controls for research reactivity.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The classic experiment with random assignment of participants controls for:

Correct AnswerverifiedShow Answer

Whenever two variables are correlated,we may assume that one is the cause of the other.

Correct AnswerverifiedShow Answer

The problem of external validity refers to the generalizability of results.

Correct AnswerverifiedShow Answer

The design diagrammed in question 8

Correct AnswerverifiedShow Answer

The one-group pretest-posttest design controls for passage of time.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Attrition, or the loss of participants f...
View Answer

Correct Answer
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Correct Answer
verified

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

Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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