APA Dictionary of Psychology
psi
- n.
- the Greek letter ψ, often used to symbolize psychology.
- the phenomena or alleged phenomena studied in parapsychology, including extrasensory perception, precognition, and psychokinesis.
Updated on 04/19/2018
PSI
- abbreviation for Parenting Stress Index.
- abbreviation for Psychological Screening Inventory.
Updated on 04/19/2018
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