Intervention research examines the effects of an intervention on an outcome of interest. In the most basic form of this intervention design, data from individuals in both groups are collected at a single baseline (i.e., preintervention) assessment and at one follow-up (i.e., postintervention) assessment.
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Intervention research examines the effects of an intervention on an outcome of interest. In the most basic form of this intervention design, data from individuals in both groups are collected at a single baseline (i.e., preintervention) assessment and at one follow-up (i.e., postintervention) assessment.