In Order to Ensure That Experimental and Control Groups Are

question 2

Multiple Choice

In order to ensure that experimental and control groups are similar before the experiment begins,social scientists sometimes:

• A)pair subjects who are identical on relevant variables and assign one to the control group and one to the experimental group
• B)create groups that are equivalent in terms of their averages on some relevant variables
• C)randomly assign subjects to the experimental and control groups
• D)match subjects on relevant variables
• E)all of these choices

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Definitions:

Glans

The sensitive bulbous structure at the distal end of the penis or clitoris.

Foreskin

The retractable fold of skin covering the glans of an uncircumcised penis, which plays a role in protection and sexual sensitivity.

Corpus Spongiosum

A column of erectile tissue within the penis enclosing the urethra.

Ejaculation

The release of semen from the male reproductive system.