Determination of observation frequency in behavior observation (Second report): The extent to which observation frequency can be lowered for events with low occurrence rates Shinya Hisano 1 , Hajime Shimizu 2 1Department of Occupational Therapy, Faculty of Rehabilitation, Kyushu Nutrition Welfare University 2Graduate School of Health Sciences, Hiroshima University Keyword: 行動観察 , 妥当性 , (サンプリング法) , (観察頻度) , Behavior observation , Validity , Sampling method , Observation frequency pp.727-734
Published Date 2011/12/15
  • Abstract
  • Look Inside
  • Reference

 This study investigated the extent to which the observation frequency of events with a low occurrence rate of <5% could be lowered even further. The occurrence rates of events observed continuously for 10 hours were compared with those of 11 types of simulation samples performed at intervals of 15 sec to 60 min. The results showed no significant differences for 599 of the 605 samples, and the six samples for which significant differences were observed were from simulations performed at intervals of 10 to 60 min with very low occurrence rates of 0.03% to 1.59%. These results indicate that for events with a low occurrence rate of <5%, a similar level of prediction using continuous observation can be achieved with a low observation frequency of intervals of 30 to 60 min.

Copyright © 2011, Japanese Association of Occupational Therapists. All rights reserved.


電子版ISSN 印刷版ISSN 0289-4920 日本作業療法士協会