Kekalainen T, Luchetti M, Terracciano A, Gamaldo AA, Mogle J, Lovett HH, Brown J, Rantalainen T, Sliwinski MJ, Sutin AR. Physical activity and cognitive function: moment-to-moment and day-to-day associations. Int J Behav Nutr Phys Act. 2023 Nov 22;20(1):137. doi: 10.1186/s12966-023-01536-9
Reed (Earnshaw) SJ, Reed JH. The use of statistical quality control charts in monitoring interviewers. Proceedings of the Survey Research Methods Section, American Statistical Association. 1997 Jan;893-8.