Food Inspectors Need to Estimate the Level of Contaminants in Food

question 43

Multiple Choice

Food inspectors need to estimate the level of contaminants in food products packaged at a certain
Factory. Initial tests were based on a small sample but now the inspectors double the sample size for
A follow-up test. The main purpose of the larger sample is to…

• A) reduce response bias.
• B) decrease the standard deviation of the sampling model.
• C) reduce non-response bias.
• D) reduce confounding due to other variables.
• E) decrease the variability in the population.

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Definitions:

Behavioral Geneticist

A scientist who studies the role of genetic and environmental influences on behaviors, often through twin studies, adoption studies, and DNA analysis.

Survival Value

The importance or advantage of a particular trait, behavior, or characteristic in increasing the likelihood of survival and reproduction of an organism.

Heritability Estimates

Statistical measures that indicate what proportion of variation in a trait within a population can be attributed to genetic differences among individuals.

Twin Studies

A research method in psychology that compares the similarity between identical and fraternal twins to understand the influence of genetics versus environment on human behavior and traits.