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Conclusion: Group-based vs. Computer-based Stress-management Intervention
Both IB and CB intervention produced individuals with significant reduction in subjectively reported stress (SUDS) following mini-relaxations. While individuals in CB group reported less dramatic SUDS reduction, reduction in stress is highly significant, meaning it might not be as effective but is still valuable and cost effective way of reaching individuals who don't have access. Attrition (drop-out rates) was high in all groups. The 2nd and 3rd hypotheses (individuals would experience reductions in globally measured indices of distress immediately after completing intervention and 1 month later) were not supported.
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Conclusion: Group-based vs. Computer-based Stress-management Intervention
Attrition in Those With PCOS
Strategies to Mitigate Attrition
A researcher begins a 10-year study to track the long-term cognitive benefits of a new preschool curriculum, starting with 500 children from diverse socioeconomic backgrounds. By the end of the study, only 250 children remain. The data reveals that most of the children who left the study were from low-income families who had moved frequently. What is the most significant threat this situation poses to the researcher's conclusions?