Psi Effect
The psi effect refers to statistically unusual results in experiments testing psychic phenomena.
Overview
Researchers use the term to describe deviations from chance expectation in psi experiments. Interpretation of such effects is controversial.
Key Insight
Psi effects are defined by statistical deviation; they do not specify a mechanism.
Scientific Status
Controversial; most scientists attribute apparent effects to artifact or chance.
How Researchers Study It
Controlled experiments, meta-analysis, and replication attempts.
Quick Facts
- Field
- parapsychology
- Related Concepts
- psi, statistical anomaly
- Typical Context
- experimental parapsychology
Related Terms
FAQ
Do psi effects prove psychic ability?
Proponents argue they support psi; critics point to methodological issues and failed replications.