Ed 603 Quiz 12

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  1. Which of the following describes the basic procedures in a causal-comparative study?
    1. Select two groups that differ on some independent variable and compare them on some dependent variable.
    2. Select two groups, give them two different treatments, and then compare them on some dependent variable.
    3. Select two groups, give them two different treatments, and then compare them on some independent variable.

  2. In causal comparative research, the researcher manipulates
    1. the independent variable and observes the dependent variable.
    2. the dependent variable and observes the independent variable.
    3. both independent and dependent variables.
    4. neither independent nor dependent variables

  3. The basic difference between causal-comparative research and experimental research is that in causal-comparative studies,
    1. the independent variable has already been manipulated by factors outside the researcher's control.
    2. there is no independent variable.
    3. the selection of the dependent variable(s) has been predetermined for the researcher.
    4. there are fewer sources of internal invalidity.

  4. Which is the LEAST desirable characteristic of samples for causal-comparative research?
    1. They are equal in size.
    2. They are representative of their respective populations.
    3. They are similar with respect to critical variables.
    4. They are similar with respect to the independent variable.

  5. Which of the following variables would most likely be investigated using a causal-comparative design?
    1. amount of homework
    2. background music
    3. birth order
    4. type of feedback

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