From the closing abstract passage
“Significant placebo and test familiarization effects must be accounted for in experimental designs utilizing performance tests which are critically dependent on volitional effort.”
A short excerpt, not the complete finding. Read the linked abstract for the comparison, measurements and context.
Publication details
- Record
- PubMed 11504589
- Publication types
- Controlled Clinical Trial · Clinical Trial · Research Support, U.S. Gov't, P.H.S. · Research Support, U.S. Gov't, Non-P.H.S.
- Indexed subjects
- Respiratory Muscles · Respiratory Function Tests · Breathing Exercises · Physical Endurance · Bicycling
- Source record checked
- 2026-10-16
Publication type and subject indexing describe the record; they are not a quality grade or proof of a benefit. An abstract does not replace a review of the full methods and results.
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