The Director of a Training Program Wanted to Know If

question 11

Multiple Choice

The director of a training program wanted to know if a one week orientation would change the perception of potential clients who would perceive the program as being good. He collected information on the number of clients who would rate the program as being good before and after the orientation. Which of the following tests will be the most appropriate?

• A) Friedman rank test
• B) McNemar test
• C) ?² test for proportions
• D) Wilcoxon rank sum test

---

Definitions:

Blue-Violet

A color in the spectrum visible to the human eye, located between blue and violet wavelengths.

Hue

The dimension of color that is determined by the wavelength of light; what we know as the color names blue, green, and so forth.

Brightness

A perception attribute of visual experience in which a source appears to emit or reflect a high level of light.

Color

A property of light as seen by people, resulting from the way objects absorb and reflect various wavelengths of light, interpreted by the eye and brain.