Bias
Systematic error is responsible for bias1
Blinding
- Lack of blinding of investigators: Can result in experimenter bias
- Lack of blinding of patients: can result in
Lack of blinding for PATIENTS can result in. Lack of blinding of CLINICIANS who deliver the intervention can result in compensatory equalization or diffusion of treatment effects.
References
1.
Sim J, Arnell P. Measurement validity in physical therapy research. Physical Therapy. 1993;73(2):102-110; discussion 110-115. doi:10.1093/ptj/73.2.102
Citation
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