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DrLiefeld Has Studied the Relationship Between the Amount of Time

Question 14

Multiple Choice

Dr.Liefeld has studied the relationship between the amount of time children spend playing video games and their academic performance in school.She finds that as time spent playing video games increases,grades in school decrease.This finding represents a


A) a positive correlation.
B) a negative correlation.
C) a variable interaction.
D) a case study approach.

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