Hawthorne effect: shortening of fluoroscopy times during radiation measurement studies.

@article{Vehmas1997HawthorneES,
  title={Hawthorne effect: shortening of fluoroscopy times during radiation measurement studies.},
  author={Tapio Vehmas},
  journal={The British journal of radiology},
  year={1997},
  volume={70 838},
  pages={1053-5}
}
  • Tapio Vehmas
  • Published 1997 in The British journal of radiology
Screening times were recorded before (n = 92, 13 radiologists) and after (n = 75, 6 radiologists) commencing a protocol with dose-area product (DAP) measurements and filling of structured questionnaires. Fluoroscopy times were significantly (p = 0.0001) longer before starting these measurements (median 4.3, mean 5.2 min) than during them (median 3.2, mean 3.6 min), which indicates a Hawthorne effect. Fluoroscopy times did not increase during the DAP measurement period up to 21 barium enemas and… CONTINUE READING

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