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CASI - Computer Assisted Self-completed Interviewing

• The respondent completes the questionnaire themselves on the laptop
• Interviewer is available for help
• Anonymity can be guaranteed in the case of questions of a delicate nature
• Rating of logos, print media, commercials etc., can be done anywhere where the immediate impact on the respondent is central

Advantages of computer assisted interviewing techniques

• Reliable and complete data input
• Automatic adoption of responses or brands from earlier questions
• Automatic filtering
• Avoidance of positioning effects by standardized rotation and randomization of items
• Automatic plausibility checks
• Full concentration of the interviewer on the important contents of questions and answers
• Possible for respondent to complete the questionnaire themselves – guarantee of anonymity
• Efficient monitoring and control possible – automatic control of sample and quotas
• Direct recording of data from the interview – no need for later data entry – avoids an additional source of errors
• Data is available immediately
• Possible to integrate logos/pictures/commercials