Exhibit 11

question 87

Multiple Choice

Exhibit 11.1: In the following items, select the experimental design that best fits the descriptive statement.
-Refer to Exhibit 11-1.Recommended design unless there is some question relative to the randomness of the assignment of subjects.

• A) One-group, pretest-posttest design
• B) Randomized subjects, posttest only, control-group design
• C) Randomized subjects, pretest-posttest design control-group
• D) Randomized Solomon four-group design
• E) Counterbalanced design

---

Definitions:

Electron Charge

A fundamental property of the electron indicating the amount of negative electrical charge it carries.

Atom Nucleus

The central core of an atom, containing protons and neutrons, around which electrons orbit.

AC Sinewave

Represents alternating current electricity in a waveform that alternates in a sinusoidal manner, typical of household electrical supply.

Ion

An atom with either an excess or a deficiency of electrons in the valence; a negatively or positively charged particle.