Social validity refers to the assessments of the importance, efficiency, suitability of an application and level of impact it has created. To identify the social validity of an application, it is required to evaluate the meaning of the objectives that are set out, suitability of the methods and processes used and the importance of the impacts that are created. The objective of this study is to provide an example by using the different data collection methods and different evaluation approaches for the social validity findings towards the a) social importance of the objectives, b) process applied, and c) the social importance of the impact that is created. For the purpose of determining the validity of research, the data has been collected with subjective measurement and social comparison approach. The data for the current research has been collected through semi-structured interview form and scales and has been categorized under three topics, namely the social importance of the objectives, the process applied, and the social importance of the impact that is created. Taking the social validity data findings into account, this study, which has been carried out both in the aspects of purpose, process, and the result, asserts that Check-In/Check-Out is a method/approach to be assessed in the creation of a solution to the active participation behaviors of the students.