In a Longitudinal Study, a Researcher

question 40

Multiple Choice

In a longitudinal study, a researcher:

• A) Collects data from several groups of children, preferably on the same day, so that the groups can be compared
• B) Examines how certain characteristics and behaviors change over time
• C) Is able to prove whether future behavior is determined by earlier behavior
• D) Observes two or more groups of children acting in a familiar setting

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Definitions:

Acid Chlorides

A class of organic compounds derived from acids by replacing a hydroxyl group with a chloride atom, known for their reactivity in forming other derivatives.

Propanoic Anhydride

An organic compound derived from propanoic acid, used in organic syntheses.

Phenol

An aromatic compound featuring a hydroxyl group (-OH) attached to a benzene ring, widely used in chemical manufacturing.

Mechanism

A detailed description of the step-by-step process by which a chemical reaction occurs.