Matching of Experimental and Control Subjects, Homogeneous Selection, and Analysis

question 32

Multiple Choice

Matching of experimental and control subjects, homogeneous selection, and analysis of covariance can all be used to

• A) reduce the effects of statistical regression.
• B) reduce initial differences between treatment groups.
• C) counterbalance the effects of experimental treatments.
• D) control the "learning to learn" effect.

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Definitions:

Hydrogenation

A chemical reaction that involves the addition of hydrogen (H2) across unsaturated bonds in an organic compound, typically to reduce or saturate it.

PVC

Polyvinyl chloride, a synthetic plastic polymer used in a wide array of products, including pipes, cables, and clothing.

Poly(Vinyl Chloride)

A synthetic plastic polymer commonly known as PVC, widely used in construction, pipes, and as insulation for electrical wires due to its durability.

Monomer

A small molecule that can bind chemically to other monomers to form a polymer.