Inclusion of a single fact or idea in an item, is an example of a guideline for:

Question

Binary choice items
Short-answer item
Matching items
Multiple-choice items

Answer 1

The inclusion of a single fact or idea in an item is an example of a guideline for Multiple-choice items. This guideline suggests that each question should focus on one specific fact or concept to make it clear and unambiguous for the test-taker.