A doctor conducted research into the influence of consumption of coffee (measured in cups consumed) and social media (measured in minutes daily spent on social media) on students’ academic performance (measured by an end of term test score). She reported the following:
Coffee (centred), b = 0.190, t = 3.23, p = 0.015. How would you interpret her findings?
A. At the mean value of social media usage there is a significant negative relationship between coffee consumed and test score.
B. At the mean value of social media usage there is a significant positive relationship between coffee consumed and test score.
C. At the mean value of social media usage there is no relationship between coffee consumed and test score.
D. At the mean value of social media usage there is a significant relationship between coffee consumed and test score.
Answer: B
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