Which of the following sources contains examples of research-based prevention activities? The Social-Ecological Model (SEM) The CDC's Conlogical s Selector The CDC's Technical Packages The CDC's Evaluation Framework

The correct answer is "The CDC's Technical Packages." <br /><br />The CDC's Technical Packages provide a collection of strategies that are research-based and have been shown to be effective in preventing various public health issues. These packages include examples of prevention activities that are grounded in evidence and research.