Multiple Choice

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Chapter 14

Multiple Choice

This activity contains 10 questions.

Which of the following is true of causal-comparative research?

The researcher manipulates the dependent variable and observes the independent variable.The researcher manipulates neither the independent nor dependent variables.The researcher manipulates the independent variable and observes the dependent variable.The researcher manipulates both the independent and dependent variables.

To what does the term “experimental treatment” refer?

both independent and dependent variablesindependent variableneither independent nor dependent variablesdependent variable

The basic difference between causal-comparative and experimental research is that in causal-comparative studies,

there is no independent variable.the selection of the dependent variable has been predetermined for the researcher.the independent variable has already been “manipulated” by factors outside the researcher’s control.there are fewer sources of internal invalidity.

Which of the following would most likely serve as an independent variable in a causal-comparative study?

type of background musictype of feedbackbirth orderamount of homework

In experimental research, what does the researcher manipulate?

dependent variableneither independent nor dependent variablesboth independent and dependent variablesindependent variable

Causal relationships are most likely to be discovered through what type of research?

causal-comparativeexperimentaldescriptivecorrelational

In an experiment to determine the effect of tempo of music on workers’ productivity, which of the following is the dependent variable?

years of experience of the workersnumber of workersworkers’ productivitytempo of music

In an experiment to determine the effect of instructional technique on student achievement, which of the following is the independent variable?

age of the studentsnumber of studentsstudent achievementtype of instruction

What is the name given to the extent to which the results of a study can be generalized to environments and groups that differ from those involved in the study?

content validityexternal validitythe degree of correlationinternal validity

What is the name given to the threat to internal validity caused by the loss of subjects while the study is in progress?

ecological validitypopulation validitymaturationattrition

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