The document summarizes a systematic review of 14 studies that evaluated the use of social media tools in medical education. The studies generally found that:
1) Social media interventions were associated with improved knowledge, attitudes, and skills for physicians-in-training, as assessed by various measures like exam scores, surveys, and analysis of blog reflections.
2) The most commonly reported opportunities of using social media were promoting learner engagement, feedback, and collaboration/professional development. The most common challenges were technical issues, variable learner participation, and privacy/security concerns.
3) While learner satisfaction with social media interventions was often reported as positive, studies comparing social media to other teaching methods sometimes found no difference or mixed results on