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-   -   I have a study problem involving research, its variables and other criteria. (https://www.askmehelpdesk.com/showthread.php?t=599422)

  • Sep 28, 2011, 12:50 PM
    keloni
    I have a study problem involving research, its variables and other criteria.
    Gerontologists interested in the effects of age on reaction time have two groups of participants take a test in which they must indicate as quickly as possible whether a probe word is a member of a previous set of words. One group of participants is between the ages of 25 and 45, whereas the other group is between the ages of 55 and 75. The time it takes to make the response is measured. In this study:

    A. What is the independent variable?
    B. What is the dependent variable?
    C. Identify the control and experimental groups.
    D. Is the independent variable manipulated, or is it a participant variable?
  • Sep 28, 2011, 11:45 PM
    Unknown008
    Do you know the characteristics of an independent variable and those of a dependent variable?

    Do you know how a control works and what is its purpose?

    If you can answer those, you should answer your question properly.

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