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Do you Really Code? Designing and Evaluating Screening Questions for Online Surveys with Programmers

: Danilova, Anastasia; Naiakshina, Alena; Horstmann, Stefan; Smith, Matthew


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Computer Society:
IEEE/ACM 43rd International Conference on Software Engineering, ICSE 2021. Proceedings : Virtual (originally Madrid, Spain), 25-28 May 2021
Los Alamitos, Calif.: IEEE Computer Society Conference Publishing Services (CPS), 2021
ISBN: 978-1-6654-0296-5
International Conference on Software Engineering (ICSE) <43, 2021, Online>
Conference Paper
Fraunhofer FKIE ()

Recruiting professional programmers in sufficient numbers for research studies can be challenging because they often cannot spare the time, or due to their geographical distribution and potentially the cost involved. Online platforms such as Clickworker or Qualtrics do provide options to recruit participants with programming skill; however, misunderstandings and fraud can be an issue. This can result in participants without programming skill taking part in studies and surveys. If these participants are not detected, they can cause detrimental noise in the survey data. In this paper, we develop screener questions that are easy and quick to answer for people with programming skill but difficult to answer correctly for those without. In order to evaluate our questionnaire for efficacy and efficiency, we recruited several batches of participants with and without programming skill and tested the questions. In our batch 42% of Clickworkers stating that they have programming skill did not meet our criteria and we would recommend filtering these from studies. We also evaluated the questions in an adversarial setting. We conclude with a set of recommended questions which researchers can use to recruit participants with programming skill from online platforms.