LuAnn, a Child Development Researcher, Recently Conducted a Study in a Hospital

question 7

Multiple Choice

LuAnn, a child development researcher, recently conducted a study in a hospital nursery to examine the feeding habits of newborn babies. She did not tell parents her identity or the purpose of her work when she asked them questions. This concern with LuAnn's study is most directly related to a concern with

• A) external validity.
• B) internal validity.
• C) reliability.
• D) ethics.

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Definitions:

Pearson's Correlations

A measure of the linear correlation between two variables, giving a value between -1 and 1.

Chronic Diseases

Long-lasting health conditions that can be controlled but not cured.

Hispanic Populations

Groups of individuals residing in a given area that identify with, or are descended from, Spanish-speaking cultures.

Pearson's Correlations

A measure of the linear correlation between two variables, ranging from -1 to 1.