Which of the following is true of the one-shot case study preexperimental design (X O1)?
A) It does not provide a basis of comparing the level of O1 to what would happen when X was absent.
B) There is no random assignment of test units.
C) Both A and B are correct.
D) In this design,a group of test units is measured twice.

Question

Quizplus · Accepted Answer

The one-shot case study design lacks a control group, so it doesn't allow for comparison with a situation where the treatment (X) is absent, and it also does not involve random assignment of test units.

Which of the Following Is True of the One-Shot Case