If a Researcher Has a List of 10,000 Elements and Wants

question 18

Multiple Choice

If a researcher has a list of 10,000 elements and wants to sample 1000 and selects every 10th element she is using:

• A) simple random sampling
• B) cluster sampling
• C) systematic sampling
• D) Quota sampling

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Definitions:

Heritability

The proportion of observed variation in a particular trait among individuals of a population that can be attributed to genetic differences.

Phenotypic Variation

Differences in physical and physiological traits among individuals of a species, resulting from genetic expression and environmental influences.

Heritability

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

Serotonin-related Genetic Allele

Refers to a variant of a gene influencing the neurotransmitter serotonin, affecting mood and behavior.