A Researcher Is Interested in Seeing Whether Early Exposure to Certain

question 62

Essay

A researcher is interested in seeing whether early exposure to certain FDA approved food preservatives has a negative impact on the cognitive development of children. Clearly a controlled laboratory experiment would be difficult, if not impossible, to do and raises some ethical issues as well. What kind of study could be done that might provide evidence for a possible causal relationship between ingestion of food preservatives and cognition. Describe briefly how this study might be done.

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Definitions:

Linear Equations

Algebraic equations where each term is either a constant or the product of a constant and a single variable, with no variables multiplied together or raised to any power higher than one.

Linear Equations

Equations of the first degree, meaning they can be represented as a straight line on a graph with variables that have no exponent or are to the power of one.

Mixed Nuts

A term generally referring to a combination or assortment of different types of nuts mixed together.

Peanuts

A type of legume or nut, often consumed as a snack, used in cuisines worldwide, and known for its protein content.