Child Psych

Category - Research & Stats

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Different research designs and strategies are used to gain specific types of information. How does correlational research work?

Investigators assign subjects to groups at random and they receive different levels of a variable.
Investigators can’t infer causal relationships.
Variables are assessed as a function of time.
Investigators use naturally occurring groups.

Explanation

Answer: B - Correlational research does not have internal validity, so no causal relationships can be determined. Causal relationships can be inferred in some instances. Correlational research can measure the strength of dependence between two variables that is not otherwise accounted for (causally, or by their response to other variables).

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