1. A method implemented by an information handling system that includes a memory and a processor, the method comprising: selecting a question submitted to a question answering (QA) system; analyzing data pertaining to a plurality of answers generated by the QA system, wherein the analysis results in a stability characteristic pertaining to each of the plurality of answers; adjusting a confidence value associated with each of the answers based on the respective answer's stability characteristic; and providing one or more of the answers to a requestor based on the adjusted confidence values.