Sub-Saharan Africa

question 3

Multiple Choice

Sub-Saharan Africa

• A) contains more than a billion people.
• B) has a young population in comparison with western countries.
• C) has a relatively high GNI per capita.
• D) has seen declining population numbers in recent years due to AIDS.
• E) is a region of middle-income countries.

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Definitions:

Nurses' Health Study

A long-term research project investigating the factors that influence women's health.

Correlational Research

A scientific research methodology that examines the relationship between two or more variables to determine if a correlation exists.

Causal Research

A type of investigation aimed at determining cause-and-effect relationships.

Power Analysis

A statistical method used to determine the smallest sample size needed to detect an effect of a given size with a certain degree of confidence.