The main aim of the study was to evaluate qualitatively the portfolio process comprising of worksheets conducted as a case in the learning-teaching process of a measurement and assessment course at Anadolu University, Turkey. 42 prospective teachers participated in the study and the data was collected through an open-ended questionnaire. The principal results derived from the views of the participant prospective teachers were that prospective teachers fulfilled the requirements of the portfolio process, realized their learning drawbacks and revised their works, gained the objectives of the course. According to them, the process was useful for learning and retention. Blending the advantages of both worksheets and portfolio process worked almost well according to the prospective teachers.