Some Help Please?

Some Help Please? Topic: Essays regarding education
May 24, 2019 / By Kaila
Question: Essay 2 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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Gweneth Gweneth | 8 days ago
correlation = 0.75.......... if corelation lies between 0.7 to 1, it is basically regarded as positively strong. correlation between gpa and iq is strong and if iq level increases, gpa level also increases. Not only iq level is responsible for gpa level. there are others factors also like performance, education level etc. so these variables might have influence on the relationship. correlation only shows relation -strong or week, it can't use to quantify the outcome. for example if iq level will be increase by x(say), then how much gpa level will increase?.. S o for this regression (causation)is needed. sample size, standard deviation etc are factors that affects the size of correlation. to predict gpa, regression is needed because there are others factors that affects gpa.
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