Pencil and paper interview are one of the techniques of collecting data in a market research. The interviewer proceeds by question after question according to the questionnaire and the respondent answers. The interviewer records the answers to the questionnaire. In order the answers are representative, the respondents should be selected as a random or targeted sample.
SPER is having expertise using experienced interviewers for personal interviewing, where the interviewer holds the printed-out questionnaire, reads the question to the respondent and fills the answers into the questionnaire.