Longer Survival Rates of the Healthiest and Most Intelligent People

question 12

Multiple Choice

Longer survival rates of the healthiest and most intelligent people partially account for the apparent stability of intelligence across the life span found in

• A)the normal curve.
• B)longitudinal studies.
• C)standard deviations.
• D)cross-sectional studies.

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Definitions:

Random Samples

Samples chosen in such a way that each member of the population has an equal chance of being included.

Two-tailed Test

A two-tailed test is a statistical test in which the area of interest is in both tails of the probability distribution, allowing for the testing of both directions of an effect.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, typically tested against an alternative hypothesis in statistical analysis.

Equality

The state or quality of being equal, especially in status, rights, and opportunities.