A Researcher Who Wants to Examine the Relatives of People

question 52

Multiple Choice

A researcher who wants to examine the relatives of people with unipolar depression to see whether the disorder affects other family members should complete a _____ study.

• A) family pedigree
• B) twin
• C) genetic linkage
• D) molecular

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Definitions:

Independent Variable

In experimental research, the factor that is altered by the scientist to observe how it affects a dependent variable.

Dependent Variable

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

Regression Toward the Mean

The phenomenon that extreme scores or outcomes are likely to be followed by less extreme ones, moving closer to the average.

Graduate Record Exam

A standardized test that is an admissions requirement for many graduate schools in the United States and other countries.