The Key Question in a Trend Study Is

question 82

Multiple Choice

The key question in a trend study is

• A)whether maturation has invalidated the results.
• B)whether the measurements following the experimental treatment are a continuation of earlier patterns or mark a decisive change.
• C)whether a single random sample or a succession of samples has been used.
• D)how the behavior and attitudes of one respondent differ from those of another.
• E)all of these.

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Definitions:

Metabolized

The biochemical process by which organisms convert substances into energy and new materials, or break them down into simpler products.

Substance

A form of matter with distinct properties and composition; can be either an element or a compound.

Synthetic Chemical Reactions

Chemically engineered processes to form new substances from one or more reactants, involving the breaking and forming of bonds.

Enzymes

Biological molecules that act as catalysts to speed up chemical reactions in living organisms.