The Best Way to Separate the Effects of Genes and Environment

question 13

Multiple Choice

The best way to separate the effects of genes and environment in research is to study

• A) fraternal twins.
• B) identical twins.
• C) adopted children and their adoptive parents.
• D) identical twins raised in different environments.

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Definitions:

Mental Alertness

The state of being fully attentive and responsive to the environment or stimuli, characterizing good cognitive functioning.

The Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Experimental Research

A method of research that tests a hypothesis through the manipulation of variables and controlled conditions to determine cause and effect.

Correlated

A term indicating a statistical relationship between two or more variables, where changes in one variable are associated with changes in another.