1. A child psychologist wants to find out if playing video games with violent content makes kids more prone to violent behavior. The psychologist has children come into a lab and has a group of children play a highly violent video game (experimental group) and another group of children play a game with no violence (control group). Then the psychologist watches the kids play with other children and records any violent behaviour.

Answer the following questions:

A) How could this be done as an observational study?Be specific about how you might conduct a similar study.

B) Discuss the advantages of doing an observational study over an experimental study.