Professor Stone Designs a Study to Examine the Effect of a Teenage

question 32

Multiple Choice

Professor Stone designs a study to examine the effect of a teenage pregnancy on the career choices of the teens. Stone interviews a sample of teenage women during their pregnancy, after the birth, and one year later. Stone is using a:

• A)cross-sectional design.
• B)trend study.
• C)cohort study.
• D)panel study.
• E)cannot tell from the given information.

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Definitions:

Bubbles

Spherical pockets of gas trapped in a liquid or solid form, often visible as balls of air or gas in water or other liquids.

Cofactors

Non-protein chemical compounds or metallic ions that are required for an enzyme's activity as a catalyst.

Endergonic Reactions

Chemical reactions that require an input of energy to proceed and are characterized by a positive change in free energy.

Transition State

A high-energy state during a chemical reaction where reactants are converted into products, representing the point of maximum energy during the reaction.