In an Experiment on the Effects of Playing Video Games

question 272

Multiple Choice

In an experiment on the effects of playing video games on school grades, which group is the control group?

• A) a group that is allowed to play video games for as long as they want each day
• B) a group that plays video games only on weekends
• C) a group that is allowed to play video games for one hour each day
• D) a group that doesn't play video games at all

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Definitions:

Herbivory

The act of eating plants or plant parts by animals, which can significantly influence plant population and community structure.

Parasitize

To live as a parasite in or on another organism, deriving nutrients at the host's expense without offering any beneficial return.

Diploid

Referring to cells that contain two complete sets of chromosomes, one from each parent, characteristic of the body's somatic cells.

Tetraploid

An organism or cell having four complete sets of chromosomes, a condition that can result from the doubling of chromosomal number.