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The different sides of participant reports

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Published stories do not show one uniform result: they include perceived improvements, no change, and unwanted experiences. Anecdotes and descriptive polls do not establish causation or clinical efficacy.

  • A positive report describes the narrator's experience.
  • Mixed and negative accounts matter too.
  • Published story counts do not establish outcome frequency.

Positive accounts

Some participants describe calmer moods, good sleep, and easier waking. These are subjective assessments: they show how someone perceived a change, not what caused it.

  • An account of experience is not a promise to the reader.
  • A vivid story does not determine the strength of evidence.

Mixed results and no change

Other stories describe no noticeable change, a mixture of pleasant and unpleasant experiences, or a return to the previous state. An early positive impression does not establish a lasting result.

  • One report can contain different assessments.
  • A return to the previous state matters to the whole story.

Unwanted and opposite experiences

The book includes reports of insomnia and daytime sleepiness. In a discussion of smoking, participants describe opposite changes: some report more cigarettes, while others report fewer.

  • Contradictory stories cannot be combined into one general effect.
  • These examples do not estimate the chance of unwanted experiences.

Assessing the stories

Reports were translated and edited, with positive words highlighted. Feeling better and unchanged test results can coexist in an account. These are different observations, not confirmation of a clinical change.

  • A collection of stories supplies no denominator for frequency estimates.
  • Read the whole account, including the absence of changes.
Positive

The participant describes a pleasant change.

Mixed

Assessments differ or change over time.

No change

The participant does not notice the expected shift.

Unwanted

The participant describes an unpleasant experience.

Sources

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