in measuring and evaluating advertising and other promotion elements, a research technique in which the respondent is questioned about what they remember about something, with no verbal or visual clues provided by the interviewer to aid the respondent in his or her recollection of the facts; for example, in determining an individual's recall of a particular television commercial, no information that would help the respondent remember the specific commercial is provided by the interviewer (that is, no information beyond what it takes to ascertain whether the person watched the program on which the commercial appeared). Researcher might ask: “What advertising do you recall seeing on TV last night?” See aided recall.