Placebo Effects on Stress, but Not on Pain Reports. A Multi-Experiment Study.

Front Psychol · 2021 · PMC8215114 · PMID 34163396

Europe PMC DOI

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marginally significantno p-value reported

Such weak effect is probably due to the uncertainty in the verbal information given to the PG and the CCG participants, as the difference between the lowered pain in the PG T2 compared to the PCG T2 was marginally significant.

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close to significanceno p-value reported

The results showed although exposure to the sham electromagnetic field did not generate a placebo effect on pain, it significantly reduced SBP and generated a diminishing trend of DBP that was close to significance.

also in 2,130 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.