AP Psychology Homework

Correlational Research

 

Name: __________________________

You are a famous experimental psychologist (Congratulations) who has been given a two million-dollar grant to conduct research on the relationship between video games and academic performance in junior high school students. Describe in as much detail as possible how you would design your research project. Be sure to:

1.    Provide a description of your subjects and how you would obtain them. (2 points)

2.    Identify the two variables under investigation. (2 points)

3.    Provide operational definitions for each of the variables. (2 points)

4.    Explain how you would interpret a correlation coefficient of +.85. (2 points)

5.    Explain how you would interpret a correlation coefficient of -.85. (2 points)

6.    Explain how you would interpret a correlation coefficient of +.15. (2 points)

7.    Give two general reasons why (even with a strong correlation) you cannot infer cause
      and effect from your study. (2 points)

8.    Suggest a possible 3rd variable that could have influenced the two
      variables under investigation if you had, in fact, obtained a correlation of -.85. (1 point)

 

 

 

 


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