Determining the benefits of social media support in lecturing

Having implemented a Classroom Response System (CRS) “Tweedback” in style of Social Media, this instrument was supposed to be evaluated for further rework and refinements. However, systematic evaluation of such applications is rarely done and demands a determination of the issues to be considered within the evaluation. The scope of the approach presented in this paper is the evaluation with regard to the perceived benefit, showing the problems in usage among the students as well as their intention on further usage of Tweedback. We therefore present our systematic methodical approach using an operationalization of the KMS (Knowledge Management System) Success Model of Jennex and Olfman to show the effects of the usage of Tweedback for the perceived by the students, lacking for the effects on the lecture.