Exam 7: The Experimental Research Strategy.

To demonstrate a cause-and-effect relationship between two variables,a researcher must make one of the variables change rather than waiting for it to change naturally.

(True/False)

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Question 21

Research results show that participants who shout their favorite curse words over and over can endure a painful stimulus longer than participants who shout a neutral word.For this study,the dependent variable is the amount of time that the pain is endured.

(True/False)

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Question 22

An experiment includes a treatment condition,a no-treatment control,and a placebo control.Which two conditions should be compared to determine the size of the effect that is actually caused by the treatment?

(Multiple Choice)

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Question 23

Manipulation checks are particularly important for simulations to ensure that the simulation is effective.

(True/False)

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Question 24

Randomizing a variable such as participant gender guarantees that it will not become a confounding variable.

(True/False)

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Question 25

A researcher decides to use only male participants in an experiment comparing two treatment conditions.For this study,what method is being used to control participant gender?

(Multiple Choice)

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Question 26

Which technique provides useful information when there are small changes from one treatment condition to another,when simulations are used or when a placebo is used?

(Multiple Choice)

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Question 27

Which characteristic is necessary for an extraneous variable to become a confounding variable?

(Multiple Choice)

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Question 28

In an experiment,participants are usually assigned to treatments using random assignment.The reason for using random assignment is ____.

(Multiple Choice)

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Question 29

In an experiment,a researcher manipulates people's mood to determine whether changes in mood cause changes in memory performance.However,the researcher is not sure that the manipulation is really causing people's mood to change.In this case,what should the researcher do?

(Multiple Choice)

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Question 30

If a study finds that there is a strong relationship between two variables,this means that ____.

(Multiple Choice)

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Question 31

An experiment always involves comparing measurements obtained under one level of the independent variable with measurements obtained under another level of the independent variable.

(True/False)

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Question 32

In New York State,the winter months produce higher heating bills and higher levels of depression.Although the numbers show that higher heating bills are related to higher levels of depression,what is the most likely explanation for this relationship?

(Multiple Choice)

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Question 33

The manipulated variable in an experiment is the ____ variable.

(Multiple Choice)

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Question 34

Dr.Kim varies the amount of caffeine given to three groups of participants (0,100,and 200 mg)and then observes the anxiety level for each group.The 0-mg condition represents the ____ group.

(Multiple Choice)

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Question 35

Explain why control of extraneous variables is a necessary component of an experiment.

(Essay)

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Question 36

Describe the directionality problem and explain how researchers attempt to avoid this problem in an experiment.

(Essay)

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Question 37

What is the primary goal for randomly assigning participants to treatment conditions in an experiment?

(Multiple Choice)

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Question 38

Researchers often use simulation experiments in an attempt to obtain the of an experiment and still keep much of the of research conducted in the real world.

(Multiple Choice)

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Question 39

A researcher exposes people to a stressful situation (such as public speaking)to examine the effect of stress on depressed mood.The researcher includes a measure of stress as a ____.

(Multiple Choice)

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Question 40

Showing 21 - 40 of 67

To demonstrate a cause-and-effect relationship between two variables,a researcher must make one of the variables change rather than waiting for it to change naturally.

Research results show that participants who shout their favorite curse words over and over can endure a painful stimulus longer than participants who shout a neutral word.For this study,the dependent variable is the amount of time that the pain is endured.

An experiment includes a treatment condition,a no-treatment control,and a placebo control.Which two conditions should be compared to determine the size of the effect that is actually caused by the treatment?

Manipulation checks are particularly important for simulations to ensure that the simulation is effective.

Randomizing a variable such as participant gender guarantees that it will not become a confounding variable.

A researcher decides to use only male participants in an experiment comparing two treatment conditions.For this study,what method is being used to control participant gender?

Which technique provides useful information when there are small changes from one treatment condition to another,when simulations are used or when a placebo is used?

Which characteristic is necessary for an extraneous variable to become a confounding variable?

In an experiment,participants are usually assigned to treatments using random assignment.The reason for using random assignment is ____.

In an experiment,a researcher manipulates people's mood to determine whether changes in mood cause changes in memory performance.However,the researcher is not sure that the manipulation is really causing people's mood to change.In this case,what should the researcher do?

If a study finds that there is a strong relationship between two variables,this means that ____.

An experiment always involves comparing measurements obtained under one level of the independent variable with measurements obtained under another level of the independent variable.

In New York State,the winter months produce higher heating bills and higher levels of depression.Although the numbers show that higher heating bills are related to higher levels of depression,what is the most likely explanation for this relationship?

The manipulated variable in an experiment is the ____ variable.

Dr.Kim varies the amount of caffeine given to three groups of participants (0,100,and 200 mg)and then observes the anxiety level for each group.The 0-mg condition represents the ____ group.

Explain why control of extraneous variables is a necessary component of an experiment.

Describe the directionality problem and explain how researchers attempt to avoid this problem in an experiment.

What is the primary goal for randomly assigning participants to treatment conditions in an experiment?

Researchers often use simulation experiments in an attempt to obtain the of an experiment and still keep much of the of research conducted in the real world.

A researcher exposes people to a stressful situation (such as public speaking)to examine the effect of stress on depressed mood.The researcher includes a measure of stress as a ____.

Introduction, Acquiring Knowledge, and the Scientific Method.

Research Ideas and Hypotheses.

Defining and Measuring Variables.

Ethics in Research.

Selecting Research Participants.

Research Strategies and Validity.

Experimental Designs: Between Subjects Design.

Experimental Designs Within Subjects Design.

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group,Pre–Post,and Developmental Designs.

Factorial Designs.

The Correlational Research Strategy.

The Descriptive Research Strategy.

Single-Subject Research Designs.

Statistical Evaluation of Data.

Writing an APA-Style Research Report.

Filters

Exam 7: The Experimental Research Strategy.

To demonstrate a cause-and-effect relationship between two variables,a researcher must make one of the variables change rather than waiting for it to change naturally.

Research results show that participants who shout their favorite curse words over and over can endure a painful stimulus longer than participants who shout a neutral word.For this study,the dependent variable is the amount of time that the pain is endured.

An experiment includes a treatment condition,a no-treatment control,and a placebo control.Which two conditions should be compared to determine the size of the effect that is actually caused by the treatment?

Manipulation checks are particularly important for simulations to ensure that the simulation is effective.

Randomizing a variable such as participant gender guarantees that it will not become a confounding variable.

A researcher decides to use only male participants in an experiment comparing two treatment conditions.For this study,what method is being used to control participant gender?

Which technique provides useful information when there are small changes from one treatment condition to another,when simulations are used or when a placebo is used?

Which characteristic is necessary for an extraneous variable to become a confounding variable?

In an experiment,participants are usually assigned to treatments using random assignment.The reason for using random assignment is ____.

In an experiment,a researcher manipulates people's mood to determine whether changes in mood cause changes in memory performance.However,the researcher is not sure that the manipulation is really causing people's mood to change.In this case,what should the researcher do?

If a study finds that there is a strong relationship between two variables,this means that ____.

An experiment always involves comparing measurements obtained under one level of the independent variable with measurements obtained under another level of the independent variable.

In New York State,the winter months produce higher heating bills and higher levels of depression.Although the numbers show that higher heating bills are related to higher levels of depression,what is the most likely explanation for this relationship?

The manipulated variable in an experiment is the ____ variable.

Dr.Kim varies the amount of caffeine given to three groups of participants (0,100,and 200 mg)and then observes the anxiety level for each group.The 0-mg condition represents the ____ group.

Explain why control of extraneous variables is a necessary component of an experiment.

Describe the directionality problem and explain how researchers attempt to avoid this problem in an experiment.

What is the primary goal for randomly assigning participants to treatment conditions in an experiment?

Researchers often use simulation experiments in an attempt to obtain the ____ of an experiment and still keep much of the ____ of research conducted in the real world.

A researcher exposes people to a stressful situation (such as public speaking)to examine the effect of stress on depressed mood.The researcher includes a measure of stress as a ____.

Introduction, Acquiring Knowledge, and the Scientific Method.

Research Ideas and Hypotheses.

Defining and Measuring Variables.

Ethics in Research.

Selecting Research Participants.

Research Strategies and Validity.

Experimental Designs: Between Subjects Design.

Experimental Designs Within Subjects Design.

The Nonexperimental and Quasi-Experimental Strategies: Nonequivalent Group,Pre–Post,and Developmental Designs.

Factorial Designs.

The Correlational Research Strategy.

The Descriptive Research Strategy.

Single-Subject Research Designs.

Statistical Evaluation of Data.

Writing an APA-Style Research Report.

Filters

Researchers often use simulation experiments in an attempt to obtain the of an experiment and still keep much of the of research conducted in the real world.