Select the Best Description of an Ecological/correlational Study Design

question 1

Multiple Choice

Select the best description of an ecological/correlational study design.

• A) Examines relationships between a risk factor and a disease outcome at the population level
• B) Creates a "snapshot" of an existing disease and factors that may be associated
• C) Used to determine potential exposures in relation to a disease outcome; a group with the disease is recruited and compared to an equivalent group without disease
• D) Examines relationships between an exposure and a disease outcome at the population level; subjects are followed over time and information on exposures is collected prior to the development of disease
• E) Applies a controlled intervention to test the effect in prevention or treatment of disease; investigators assign who receives treatment and what treatment is given

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Definitions:

Temperament

A person’s behavioral style or characteristic way of responding to the environment.

Moro Reflex

An involuntary reflex found in infants, which is triggered by a sudden lack of support, causing the baby to feel as if it is falling.

Rooting Reflex

An automatic response seen in newborns, who turn their head toward anything that strokes their cheek or mouth, aiding in the act of breastfeeding.

Walking Reflex

An innate reflex in infants that causes them to make stepping motions if they are held upright with their feet touching a solid surface.