Do the researchers use the experimental method or are they relying on descriptions and correlations?

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Descriptive research measures and describes behavior. Correlational research measures and describes relationships between behaviors, abilities, ages, and so on. Correlational research allows for predictions in development. Correlational research typically does not support clear explanations of the causes of behaviors or relationships. (See Figure 19 on page 33)
Experimental research uses carefully planned observations plus planned procedures that change one or more factors. Those factors are independent and dependent variables. An independent variable (IV) is a factor that can be changed or manipulated. The dependent variable (DV) is the factor that can change because of the changes in the independent variable. For example, type of daycare is manipulated, Headstart (IV), regular daycare (IV), and school readiness (DV) is measured to see if school readiness is different because of the type of daycare. Pages 32 – 36 provide more information and examples.
Experiments can provide support for determining if one thing causes another.
Most research in developmental psychology is either descriptive or correlational. All of these methods are valuable in studying human development.
Take a look at your peer-reviewed research article that you are going to use in your paper. Briefly describe what the participants do: do they fill out surveys, do they participate in tasks, is someone reporting their behavior, are there different groups of participants, etc. Do the researchers use the experimental method or are they relying on descriptions and correlations?
For purposes of grading this discussion board will close end of day Friday, October 21st.

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