Some researchers have noted that adolescents who spend a lot of time playing video or computer games are at greater risk for depression and violence. This is an example of:
A)a valid conclusion, because more time yields more aggression is a positive association.
B)an observational study with lurking variables that may explain the association.
C)a single-blind experiment, because the subjects knew they were playing games.
D)a paired data experiment, because we are studying both aggression and game playing.

Question

Quizplus · Accepted Answer

The statement mentions an association between playing video games and negative mental health outcomes, but it is not necessarily causal. It is possible that other factors, such as a lack of exercise or socialization, contribute to both the excessive gaming and the harmful effects. Without controlling for these possible lurking variables, we cannot conclude that the gaming itself is causing the negative outcomes. Therefore, an observational study is the most appropriate type of research design for exploring this question.

Some Researchers Have Noted That Adolescents Who Spend a Lot