Before revision:  We draw on the social science corpora of qualitative research to illustrate opportunities for making the human studies where XAI researchers used observations, interviews, focus groups, and/or questionnaires to capture qualitative data more rigorous .
After revision:  We draw on the social science corpora of qualitative research to illustrate opportunities for making the human studies where XAI researchers use observations, interviews, focus groups, and/or questionnaires to capture qualitative data more rigorous .