The study of 218 students at a major state university suggests a link between ti

Question

The study of 218 students at a major state university suggests a link between time spent on social networking websites and grade point average. Students who rarely or never used social negative websites had higher grade point averages then students who are use social networking websites. Choose the study suggest that time spent on social networking websites and grade point average are positively correlated or negatively correlated? A. The study suggest a negative correlation because the study shows that as time spent on social networking websites increases, grade point average tends to decrease. B. The study suggest a positive correlation because the study shows that as time spent on social networking websites increases, grade point average tends to increase. C. The study suggest a negative correlation because the study shows that as time spent on social networking websites decreases, grade point average tends to decrease. D. The study suggest a positive correlation because the study shows that as time spent on social networking websites increases, grade point average tends to decrease. Do you think that these might be a cause-and-effect relationship between time spent on social networking websites and grade point average? A. While it is possible that there is a cause-and-effect relationship, it is not necessarily the case B. It is not possible that there is a cause-and effect relationship. C. The study shows that there is a cause-and-effect relationship

Explanation / Answer

1) The study suggests that time spent on social networking website and grade point averages are negatively correlated because the increase in the use of Facebook results in the decrease in grade point averages.

So, answer is option (A) i.e. The study suggests a negative correlation because the study shows that as time spent on social networking websites Increases, grade point average tends to decrease

.2) The presence of correlation between the two variables does not imply cause and effect relationship. From the result we can infer that there is an association between the website usage and grade point average but wesite usage is not only the cause for decrease in grade point averages.

So, answe is option (A) i.e. whilits possible that there is a cause and effect relationship, it is not necessarily the case

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