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Exam 14: Quasi Experiments

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Question 1

Multiple Choice

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Which of the following is a subject variable?

A) gender of participant
B) number of trials
C) friendly versus formal treatment by experimenter
D) reaction time

E) None of the above
F) All of the above

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Question 2

Multiple Choice

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In a study designed to test the development of mathematical ability,a group of 3-year olds and a group of 10year olds are tested.What sort of design is this called?

A) cross sectional
B) longitudinal
C) cross sequential
D) cohort

E) B) and C)
F) B) and D)

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Question 3

Multiple Choice

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A distinguishing characteristic of the nonequivalent control-group design is that the

An evaluation listing how to improve a program while it is ongoing is called a

If X = experimental treatment and O = pretest or posttest observation,then "O O O O X O O O" represents the ____ design.

Smith and Glass (1977) reviewed many studies of the efficacy of different types of psychotherapy and concluded that it was generally effective.Their technique is called

The stakeholders in a program evaluation are

An evaluation of how effective a program is in meeting its goals is called a

A teacher is interested in the effects of the use of programmed learning materials as supplementary aids in an advanced foreign language course.She is interested in the amount of foreign language vocabulary learned during one college semester.There are 92 students enrolled in four advanced French classes who are taught by this teacher.These students make up the subjects for the experiment.Two of the classes of students have access to the programmed learning material and the other two classes do not.Discuss an experimental design that would be appropriate for this situation.Is it necessary that the instructor use a pretest? Consider the matter of control.What procedures would be necessary for adequate internal validity? Comment on the external validity of this experiment.

If X = experimental treatment and O = pretest or posttest observation,then "O X O X O X O" represents the ____ design.

In a repeated treatment design,subjects' responses are measured

We ran an experiment with 10 men and 10 women that investigated whether the color of the paper that someone was copy-typing from or the color of the computer screen that someone was typing onto made any difference in typing speed.We hypothesized that men would be affected by the color of the screen,but not by the color of the paper.Is the experimental design within-subjects,between-subjects,or mixed? What is (are)the independent variable(s)? The dependant variable(s)? Is the design a true experiment,single-subject experiment,or a quasi experiment? What are the conditions of the experiment?

Which of the following pattern of results of a nonequivalent control group design is generally interpretable?

Professor Hyde studies the effects that two drugs have on human personality.She suspects that one of the two drugs produces interesting changes in men's personalities,while women's personalities will be unchanged by either of the drugs.She designs a study to test this hypothesis and recruits a number of men and women to participate.Prof.Hyde plans to test personality by administering the NEO-PI test before and after administration of the drug.Is the experimental design within-subjects,between-subjects,or mixed? What is (are)the independent variable(s)? The dependant variable(s)? Is the design a true experiment,single-subject experiment,or a quasi experiment? What are the conditions of the experiment?

Which of the following is the first step in conducting a program evaluation?

Discuss the differences between true experimental designs and quasi experimental designs.Discuss some of the major difficulties the researcher faces when less than a true design is used.

A secular trend is a

A ____ study is able to test time lag effects.

A true experiment is preferable to a quasi experiment ____

A cohort is a(n)