Evaluate the correlational result and identify the strength of the correlation.

A researcher has investigated the relationship between IQ and grade point average (GPA) and found the correlation to be .75.

For this essay, critique the results and interpretation of a correlational study.

  • Evaluate the correlational result and identify the strength of the correlation.
  •  Examine the assumptions and limitations of the possible connection between the researcher’s chosen variables. 
  • Identify and describe other statistical tests that could be used to study this relationship.

Your essay response must address the following questions:

  • How strong is this correlation? 
    • Is this a positive or negative correlation?
    • What does this correlation mean?
  • Does this correlation imply that individuals with high Intelligence Quotients (IQ) have high Grade Point Averages (GPA)?
  • Does this correlation provide evidence that high IQ causes GPA to go higher? 
    • What other variables might be influencing this relationship?
  • What is the connection between correlation and causation?
  • What are some of the factors that affect the size of this correlation?
  • Is correlation a good test for predicting GPA? 
    • If not, what statistical tests should a researcher use, and why?
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