One-Shot Case Study Designs Are Used in Cases Where The

One-shot case study designs are used in cases where the:

A) effects of an independent variable are tested on a dependent variable.
B) administration of the stimulus is quite costly or otherwise not possible.
C) researcher cannot control or predict whether,when,or how the stimulus is administered,as in the case of natural disasters.
D) administration of the stimulus is reasonable.
E) individuals are measured on some dependent variable following the administration of the stimulus to the experimental group.