Using a More Homogeneous Sample Is One Strategy Used by Researchers

question 70

Multiple Choice

Using a more homogeneous sample is one strategy used by researchers to ______.

• A) increase between-group variability
• B) decrease between-group variability
• C) increase within-group variability
• D) decrease within-group variability

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Definitions:

Concordant Rates

In genetics, the likelihood of both members of a pair (especially twins) to either both exhibit or not exhibit a trait or disorder.

Heritability

Heritability is a measure of how much of the variation in a trait among individuals within a population can be attributed to genetic differences.

Concordance

The agreement or harmony between treatments, behaviors, or opinions among individuals or in data, often used in genetics and medicine to describe the similarity in illness or traits.

Hereditary Trait

A feature or characteristic passed from one generation to another through genes.