Approximate Frequency of Occurrence Scale


This rating scale serves as a tool for providing approximations of the likelihood that a given subjective effect will occur.

It is primarily used within our substance documentation articles that can be found listed here.

  1. Rare - At this frequency, the effect typically only occurs spontaneously for a small percentage of people. It may also never arise for many people, no matter how many times they use the substance.
  2. Uncommon - At this frequency, the effect will typically occur at some point over the course of multiple experiences, but will usually be absent more often than not.
  3. Common - At this frequency, the effect typically occurs for people during most of their experiences, but is often slightly inconsistent in its occurrence.
  4. Frequent - At this frequency, the effect typically occurs for most people during all of their experiences, to the extent that it is unusual if it does not happen.
  5. Near universal - At this frequency, the effect typically occurs for the vast majority of people during their experiences. However, there is still always the possibility that it may not happen for certain individuals."

See Also

External links


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rating scale