In an experiment that tests the effects of exposure to violent television on aggressive behavior, 30 participants view violent programming for 2 hours. Thirty additional participants view nonviolent programming for 2 hours. All participants are then given an aggression questionnaire to complete. Individuals who viewed non violent television are part of the .

Control Group

Explanation: Individuals who viewed non violent television serves as the Control Group in the experiment.

The essence of having a control group, is to give high level of confidence about the outcome of the experiment. Control Group will help ensure that the treatment a researcher is giving is the one causing the experimental results, and not factors extrinsic to the experiment.

However, It’s also referred to as the comparison group in an experiment.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.