Original Research
Sampling bias in physiotherapy research
Submitted: 02 October 2018 | Published: 28 February 1986
About the author(s)
J. A. Hendry, Department of Physiotherapy, University of Stellenbosch, South AfricaFull Text:
PDF (118KB)Abstract
In this article the difference between random error (due to sampling variability) and systematic error (or bias) is briefly illustrated. Major types of systematic error which occur due to errors in sampling are discussed briefly with reference to the following study designs: the randomized clinical trial, cohort analytical, cross-sectional, case control and before-after studies.
Keywords
Metrics
Total abstract views: 1287Total article views: 792
Crossref Citations
1. Quadriceps Strength Training for Osteo-Arthritis of the Knee: A Literature Review and Analysis
Ray Marks
Physiotherapy vol: 79 issue: 1 first page: 13 year: 1993
doi: 10.1016/S0031-9406(10)60533-0