The Lowering of the Average Age of Puberty from Prehistoric

question 35

Multiple Choice

The lowering of the average age of puberty from prehistoric times to present day is known as ______.

• A) the secular trend
• B) delayed phase preference
• C) HPG axis
• D) the gonadarche

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the treatment being tested, used as a benchmark to measure the effects of the treatment on another group.

Independent Variable

In scientific research, the variable that is manipulated or changed to observe its effect on a dependent variable.

Group Therapy Sessions

Psychotherapy that involves treating multiple clients together in a group setting.

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.