Which of the Following Was Not Given as a Plausible

question 41

Multiple Choice

Which of the following was not given as a plausible explanation for why intelligence test scores have risen over successive generations?

• A) improvements in nutrition and health
• B) better genetic inheritance
• C) increases in levels of education
• D) modern increases in environmental complexity

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Definitions:

Matched-Pairs Designs

An experimental design in which each subject is paired with another subject based on certain criteria, and each pair is treated differently to compare outcomes.

Bootstrap Intervals

A technique in statistics to estimate the sampling distribution of an estimator by resampling with replacement from the original data, used to approximate confidence intervals.

Mean Income

The average amount of money earned by individuals or households in a specified region or demographic segment.

Resamples

In statistics, creating new samples from an observed dataset, often to perform bootstrap or permutation tests.