Abstract. This explorative study aimed to get an understanding of MOOCsuccess as seen from the perspective of the MOOC-taker and the types of barriers which might stand in the way of this success. Data of two MOOCs was used to illustrate MOOC-success from two perspectives and barriers encountered. Following the currently used approach to identify educational success, the success rate of MOOC-II was 5,6%. The success rates from the perspective of the MOOC-taker was 70%. In addition, data of MOOC-I and II showed that the encountered barriers were mainly non-MOOC-related. Workplace issues and lack of time were most frequently indicated. For MOOC-designers' decision making regarding redesign of a MOOC after evaluation, it is valuable to have insight in these matters to prevent unnecessary design interventions.Keywords: MOOCs, online learning, success, intention, behaviour, barriers 1 Introduction When people start a MOOC their intentions are very diverse; some of them want to complete the MOOC and earn a certificate, others just want to freshen up on some specific knowledge or only browse to see what it is all about [1]. For this reason, it does not suffice to only look at the number of certificates earned by the MOOC-takers for determining success, even though this method is often transferred from the formal education context to the MOOC and is the most widely-used method of identifying educational success. As an alternative approach, we take the initial intention of the individual as a starting point for measuring success taking into account that MOOCs allow individuals to follow their own learning paths [2]. These intentions may vary from simply browsing through a MOOC to-indeed-getting a certificate. Studies on behavioural and cognitive psychology, however, showed that in general intention is not a perfect predictor for actual behaviour as there are many factors that can influence the process of acting out intentions [3]. Therefore, insight into the issues which hinder or prevent individuals from translating their intentions into actual behaviour is of great value when it comes to deciding whether course (re)design interventions are necessary. This paper is structured as follows: First we discuss the theoretical background. Next data from three MOOCs is analysed in line with the theoretical framework. Lastly, results of these analyses are discussed as well as implications for future research and limitations.