The phase of an experiment in which behavior is measured in the absence of an intervention?

The phase of an experiment in which behavior is measured in the absence of an intervention?

• A. Respondent Conditioning
• B. Three-Term Contingency
• C. Dependent Variable
• D. Baseline

Answer: (D)

The idea being tested is identifying the baseline phase—the period in an experiment when no intervention is applied and you measure the natural level of the target behavior. Baseline data establish what the behavior looks like before any treatment, so you can compare it to data during the intervention to determine whether the treatment caused a change. This phase helps demonstrate experimental control and attribute observed changes to the intervention rather than natural fluctuations. The other terms describe different concepts: Respondent Conditioning is a learning process, not a phase of measurement; Three-Term Contingency is a framework for how a behavior is evoked and controlled by antecedents and consequences; the Dependent Variable is the behavior or outcome being measured, not the phase in which measurement occurs.

The idea being tested is identifying the baseline phase—the period in an experiment when no intervention is applied and you measure the natural level of the target behavior. Baseline data establish what the behavior looks like before any treatment, so you can compare it to data during the intervention to determine whether the treatment caused a change. This phase helps demonstrate experimental control and attribute observed changes to the intervention rather than natural fluctuations. The other terms describe different concepts: Respondent Conditioning is a learning process, not a phase of measurement; Three-Term Contingency is a framework for how a behavior is evoked and controlled by antecedents and consequences; the Dependent Variable is the behavior or outcome being measured, not the phase in which measurement occurs.