The internal validity of single-case research is enhanced when
A) multiple follow-ups are conducted after the end of the treatment program.
B) the dependent variable is assessed only at the beginning and end of treatment.
C) the research focuses on a single behavior rather than multiple behaviors relevant to the problem being treated.
D) the effects of the treatment are small, so as not to overwhelm the research participant.

Question

Quizplus · Accepted Answer

Conducting multiple follow-ups after the end of the treatment program increases internal validity by allowing for observation of the long-term effects of the treatment. This helps to rule out alternative explanations for any observed changes in behavior.

The Internal Validity of Single-Case Research Is Enhanced When