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Searched The ACM Guide to Computing Literature (3,834,857 records)|Limit your search to The ACM Full-Text Collection (773,110 records)
- short-paperSeptember 2019
Sample Size Planning and Questionnaire Length in Website-Evaluations
MuC '19: Proceedings of Mensch und Computer 2019Pages 543–546https://doi.org/10.1145/3340764.3344454When planning studies to evaluate websites practitioners need to answer two central questions: (1) Which instrument should be used? (2) How many users should be queried? While the answer to the first question depends on the goal of the specific ...