The use of questionnaires to measure audiologic rehabilitation outcomes can often be inaccurate because of retrospective recall of events and experiences. Ecological momentary assessment (EMA) is a methodological approach that can alleviate biases because participants are asked about immediate experiences in their natural environment. The objective of this feasibility study was to examine the applications of EMA to the evaluation of hearing difficulties encountered by hearing aid users. Twenty-four participants carried a personal digital assistant that was pro-grammed to perform EMA four times per day for 14 days. Results indicate that EMA methodology is feasible with hearing aid users.