This “study found a strong relationship between Twitter usage and student engagement”.
Evans, C. (2014). Twitter for teaching: Can social media be used to enhance the process of learning? British Journal Of Educational Technology, 45(5), pp. 902-915.
This study concluded that ”familiarity with social networking is a useful pedagogical platform”.
VanDoorn, G., & Eklund, A. A. (2013). Face to Facebook: Social media and the learning and teaching potential of symmetrical, synchronous communication. Journal Of University Teaching And Learning Practice, 10(1).