Multiple-Choice Test Item Writing Procedure cont'd

DOE-HDBK-1204-97

(b)

Th increases, Tc decreases.

(c)

Th decreases, Tc decreases.

(d)

Th remains the same, Tc decreases.

The trainee could choose the correct answer (c) without knowing about the Tc temperature

response in this situation, since "Th decreases" only occurs in option (c).

Notice that two-part answers, with each part containing a two-option response, provides

complete counterbalance, since all contingencies can be covered in four responses. For

example:

Test item:

Which of the following is a definition of quadrant power tilt ratio?

(a)

Minimum upper detector output divided by average upper detector output.

(b)

Maximum upper detector output divided by average upper detector

output.

(c)

Minimum upper detector output divided by average lower detector output.

(d)

Maximum upper detector output divided by average lower detector output.

A multipart test item which is highly recommended is one in which the two-part answer

options consist of a two-level response (e.g., yes/no; off/on) and a reason. For example:

Test item:

Which of the following best describes the behavior of equilibrium xenon

reactivity over core life?