Dr.Hernandon believes that time spent playing video games is negatively associated with reading fluency.He asks parents to record the average number of hours their children spend playing video games each day.He compares these hours with scores on the Woodcock-Johnson reading test.His correlation coefficient confirms that the number of hours playing video games is strongly correlated with decreased reading fluency.Which correlation coefficient would fit his data?
A) -0.89
B) +0.34
C) +0.89
D) -0.34

Question

Quizplus · Accepted Answer

The negative sign indicates an inverse relationship between the two variables (i.e. as the number of hours playing video games increases, reading fluency decreases). The absolute value of 0.89 indicates a strong correlation.

DrHernandon Believes That Time Spent Playing Video Games Is Negatively