12. October, 2017Uncategorized

A biopsychologist is studying the effects of anabolic steroids on the aggressive behavior of female rats. 24 female rats receive daily injections of a placebo (fake drug), while 24 others receive daily injections of the steroid. Round-the-clock videotapes of the communal cages of all rats allow all aggressive encounters to be counted and timed.

1.Independent Variable:

2.Dependent Variable:

3.Experimental Group:

4.Control Group:

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Answer Key

1. 24 rats receiving the steroid injection and 24 rats receiving the placebo injection
2. how many aggressive encounters and how long the encounters last.
3. rats receiving the steroids
4. rats receiving the placebo