CLASS WORKING is a term used to describe a type of collaborative learning in which students work together in groups to complete tasks. PROLE (5 letters) is an acronym for Problem-solving, Reflecting, Organizing, Learning and Evaluating, which are the five steps of the process. OINGO (5 letters) stands for Observing, Interpreting, Negotiating, Generating and Organizing, which are the five stages of the group working process.