Question 1

In the classical experiment subjects are measured on the independent variable before the experiment begins and again after the dependent variable has been manipulated by the researcher.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not considered a threat to internal validity in an experimental design?

Accepted Answer

A)   maturation
B)   instrumentation
C)   randomization
D)   statistical regressionE) C) and D)
F) A) and D)

Question 3

Give two specific examples of research where a quasi-experimental design would be more appropriate than a classical experiment. Why would each of your examples not fit the classical experiment model?

Accepted Answer

One specific example of research where a...

Question 4

How can a researcher be sure that threats to internal validity are being ruled out in the design?

Accepted Answer

A)   sorting out what threats are applicable in which settings
B)   comparing the results of several posttests
C)   random selection will rule out, or greatly reduce, the chances for statistical regression
D)   all the aboveE) A) and C)
F) B) and C)

Question 5

While the interrupted time-series design can be used in cause-and-effect studies, it is really useless in applied studies.

Accepted Answer

A) True 
 B)False

Question 6

Explain the role of randomization in classical experiments.

Accepted Answer

Randomization plays a crucial role in cl...

Question 7

If randomization is not possible, what should the researcher do?

Accepted Answer

A)   pre- and posttest
B)   use the classical design
C)   consider using a quasi-experimental design
D)   randomization is always possibleE) A) and B)
F) None of the above

Question 8

With respect to internal validity issues, testing refers to changes in how subjects respond to measurement while ____________________ refers to changes in the measurement process itself.

Accepted Answer

The answer of With respect to internal validity issues, testing...

Question 9

The mere fact that subjects know they are being studied can cause them to change their behavior. This phenomenon is known as the ____________________.

Accepted Answer

The answer of The mere fact that subjects know they...

Question 10

When referring to whether results from experiments conducted in one setting would be obtained in other settings, our main concern is one of ____________________ validity.

Accepted Answer

The answer of When referring to whether results from experiments...

Question 11

How does a cohort design differ from other quasi-experimental designs?

Accepted Answer

A)   the use of random assignment to control and experimental groups
B)   the use of matching to assign subjects to control and experimental groups
C)   there is some date or event in common to all members of the control and the experimental groups
D)   all quasi-experimental designs are basically the sameE) None of the above
F) A) and B)

Question 12

Which of the following is accurate?

Accepted Answer

A)   threats to internal validity are increased by carefully controlling conditions
B)   threats to external validity are decreased by carefully controlling conditions
C)   threats to generalizability of research findings in experiments are unrelated to internal validity
D)   threats to external validity are increased by carefully controlling conditionsE) B) and D)
F) None of the above

Question 13

Instead of making one pretest and one posttest measure, the ____________________ makes a longer series of observations before and after introducing an experimental treatment.

Accepted Answer

interrupte...

Question 14

An interrupted time-series design can be very useful in what type of research?

Accepted Answer

A)   applied research
B)   exploratory research
C)   descriptive research
D)   double-blind researchE) None of the above
F) A) and C)

Question 15

In a classical experiment the researcher uses a ____________________ to offset the effects of the experiment itself.

Accepted Answer

The answer of In a classical experiment the researcher uses...

Question 16

External validity in an experimental design refers to:

Accepted Answer

A)   the researcher's ability to be sure that they are measuring what they think they are measuring
B)   the lack of concern with issues internal to the study
C)   the ability to apply findings to other populations
D)   the ability to know your measures are consistentE) B) and D)
F) A) and C)

Question 17

When random assignment is not possible, the choice is often

Accepted Answer

A)   a focus group
B)   a qualitative interview
C)   a quasi-experiment
D)   a random drawE) B) and D)
F) All of the above

Question 18

Which of the following is true concerning independent and dependent variables in classical experiments?

Accepted Answer

A)   a variable can be an independent in one experiment and a dependent in another
B)   once a variable is designated as an independent variable in one experiment, it can never be used as a dependent variable in another
C)   a classical experiment examines the effect of a dependent variable on an independent variable
D)   an independent variable in a classical experiment is viewed as the effect because it is dependent upon another variableE) B) and C)
F) A) and B)

Question 19

Two dimensions to generalizability are:

Accepted Answer

A)   construct validity and external validity
B)   compensatory rivalry and external validity
C)   construct validity and compensatory rivalry
D)   none of the aboveE) A) and D)
F) A) and C)

Question 20

Dr. Smith was interested in whether there would be a reduction in the number of crimes in the central city once closed-circuit cameras went up and were monitored by police. To accomplish this study, Dr. Smith looked at the police records for the four-square-block area where the cameras were installed each week for six months. Dr. Smith was using what method?

Accepted Answer

A)   cohort design
B)   time-series design
C)   classical experiment
D)   quasi-experimental designE) B) and C)
F) A) and C)

Exam 7: Experimental and Quasi Experimental Designs

Two dimensions to generalizability are:

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The mere fact that subjects know they are being studied can cause them to change their behavior. This phenomenon is known as the ____________________.

Correct Answer
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If randomization is not possible, what should the researcher do?

Correct Answer
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Which of the following is accurate?

Correct Answer
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Instead of making one pretest and one posttest measure, the ____________________ makes a longer series of observations before and after introducing an experimental treatment.

Correct Answer
verified
interrupte...
View Answer

How can a researcher be sure that threats to internal validity are being ruled out in the design?

Correct Answer
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How does a cohort design differ from other quasi-experimental designs?

Correct Answer
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External validity in an experimental design refers to:

Correct Answer
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Give two specific examples of research where a quasi-experimental design would be more appropriate than a classical experiment. Why would each of your examples not fit the classical experiment model?

Correct Answer
Answered by ExamLex AI
One specific example of research where a...
View Answer

An interrupted time-series design can be very useful in what type of research?

Correct Answer
verified

In a classical experiment the researcher uses a ____________________ to offset the effects of the experiment itself.

Correct Answer
verified

Correct Answer
verified

Explain the role of randomization in classical experiments.

Correct Answer
Answered by ExamLex AI
Randomization plays a crucial role in cl...
View Answer

While the interrupted time-series design can be used in cause-and-effect studies, it is really useless in applied studies.

Correct Answer
verified

In the classical experiment subjects are measured on the independent variable before the experiment begins and again after the dependent variable has been manipulated by the researcher.

Correct Answer
verified

Which of the following is true concerning independent and dependent variables in classical experiments?

Correct Answer
verified

When referring to whether results from experiments conducted in one setting would be obtained in other settings, our main concern is one of ____________________ validity.

Correct Answer
verified

When random assignment is not possible, the choice is often

Correct Answer
verified

Which of the following is not considered a threat to internal validity in an experimental design?

Correct Answer
verified

With respect to internal validity issues, testing refers to changes in how subjects respond to measurement while ____________________ refers to changes in the measurement process itself.

Correct Answer
verified

Exam 7: Experimental and Quasi Experimental Designs

Two dimensions to generalizability are:

Correct AnswerverifiedShow Answer

The mere fact that subjects know they are being studied can cause them to change their behavior. This phenomenon is known as the ____________________.

Correct AnswerverifiedShow Answer

If randomization is not possible, what should the researcher do?

Correct AnswerverifiedShow Answer

Which of the following is accurate?

Correct AnswerverifiedShow Answer

Instead of making one pretest and one posttest measure, the ____________________ makes a longer series of observations before and after introducing an experimental treatment.

Correct Answerverifiedinterrupte...View AnswerShow Answer

How can a researcher be sure that threats to internal validity are being ruled out in the design?

Correct AnswerverifiedShow Answer

How does a cohort design differ from other quasi-experimental designs?

Correct AnswerverifiedShow Answer

External validity in an experimental design refers to:

Correct AnswerverifiedShow Answer

Give two specific examples of research where a quasi-experimental design would be more appropriate than a classical experiment. Why would each of your examples not fit the classical experiment model?

Correct AnswerAnswered by ExamLex AIOne specific example of research where a...View AnswerShow Answer

An interrupted time-series design can be very useful in what type of research?

Correct AnswerverifiedShow Answer

In a classical experiment the researcher uses a ____________________ to offset the effects of the experiment itself.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Explain the role of randomization in classical experiments.

Correct AnswerAnswered by ExamLex AIRandomization plays a crucial role in cl...View AnswerShow Answer

While the interrupted time-series design can be used in cause-and-effect studies, it is really useless in applied studies.

Correct AnswerverifiedShow Answer

In the classical experiment subjects are measured on the independent variable before the experiment begins and again after the dependent variable has been manipulated by the researcher.

Correct AnswerverifiedShow Answer

Which of the following is true concerning independent and dependent variables in classical experiments?

Correct AnswerverifiedShow Answer

When referring to whether results from experiments conducted in one setting would be obtained in other settings, our main concern is one of ____________________ validity.

Correct AnswerverifiedShow Answer

When random assignment is not possible, the choice is often

Correct AnswerverifiedShow Answer

Which of the following is not considered a threat to internal validity in an experimental design?

Correct AnswerverifiedShow Answer

With respect to internal validity issues, testing refers to changes in how subjects respond to measurement while ____________________ refers to changes in the measurement process itself.

Correct AnswerverifiedShow Answer

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interrupte...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
One specific example of research where a...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Randomization plays a crucial role in cl...
View Answer

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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