Costanza Conducts a True Experiment Examining the Effect of Energy

question 6

Multiple Choice

Costanza conducts a true experiment examining the effect of energy drinks on work performance. Costanza productivity is monitored prior to and after the use of energy drinks. As such, you know that her experiment has _____ internal validity.

• A) no
• B) low
• C) adequate
• D) too much

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Definitions:

Monomer Structure

The basic unit or building block that can be repeated to form polymers through chemical bonds.

Polyurethane

A polymer composed of organic units joined by carbamate (urethane) links, used in foams, elastomers, and coatings.

Monomer Units

Small molecules that can be bonded together to form polymers.

Cationic Polymerization

A type of polymerization where a cationic initiator transfers charge to a monomer causing it to become reactive and link to other monomers.