A psychologist is studying the effects of anabolic steroids on the aggressive behavior of female rats. Twenty-four (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.

Independent Variable:

Dependent Variable:

Experimental Group:

Controlled Group:

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Social Studies

19 November, 17:13

A psychologist is studying the effects of anabolic steroids on the aggressive behavior of female rats. Twenty-four (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.

Independent Variable:

Dependent Variable:

Experimental Group:

Controlled Group:

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Jaylan Wade · Answer 1

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Independent Variable: Dosage of steroid

Dependent Variable: aggressive behaviour (behaviour)

Experimental Group: 24 rats receiving daily injection of steroid

Controlled Group: 24 rats receiving daily injections of a placebo

The independent variable is not dependent on another variable. e. g, dosage of steroid.

Dependent variable; variation in the dependent variable is controlled by the independent variable, e. g. level of aggression.

Experimental group is the group to which the treatment is administered, they are also known as the treatment group.

Control group is the group that does not receive the treatment, it is simply for the basis of comparison.