Answer:
According to the question , Schwarz et al. (1991) concept is described for defining ease of retrieving information . Participants are able to recall six incidents of assertive behavior well but in case of remembering twelve incidents, participants are rating themselves as less assertive.
This phenomena is describing that remembering less examples of something is comparatively easy than recalling more number of examples in self assessment. Therefore,twelve example case was considered unassertive and six example case gave assertive as a result.