The document outlines the agenda for the 6th International Workshop on Motivational and Affective Aspects in Technology-Enhanced Learning (MATEL 2015). The agenda includes 5 presentations on topics related to motivation and affect in technology-enhanced learning between 10:00-12:15. From 14:30-16:00 there will be a session on developing patterns to describe experiences and solutions related to motivational and affective aspects of socio-technical systems. In the afternoon participants will work on developing pattern structures to describe their own contributions and present results.