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Library Statistics

Aggregate analysis of 354 papers in the Psi Research Library.

Total Papers
354
Date Range
1886 – 2025
Psi Domains
12
Journals
118

Domain Breakdown

Domain Count %
Methodology 70 19.8%
Telepathy 62 17.5%
Psychokinesis 45 12.7%
Nde 41 11.6%
Skeptical 28 7.9%
Precognition 27 7.6%
Healing 25 7.1%
Overview 20 5.6%
Remote Viewing 16 4.5%
Mediumship 11 3.1%
Nonverbal 6 1.7%
Meta Analysis 3 0.8%

Methodology Rigor

Pre-Registration 34 True / 281 False
9.6% reported pre-registered

Blinding Procedures

Double Blind 37
Single Blind 40
None / N/A 14
Other / Unknown 263

Reported Effect Sizes (n=25)

Min
0.00
Median
41.80
Max
307.00

Skeptical & Critical Papers

Papers classified as skeptical or critical analysis

49
13.8% of total

Sample Size Analysis

Domain Papers with N Median N

Publication Distribution by Decade

1880s 1
1930s 1
1960s 1
1970s 8 β–ˆ
1980s 16 β–ˆβ–ˆ
1990s 34 β–ˆβ–ˆβ–ˆβ–ˆβ–ˆ
2000s 94 β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ
2010s 150 β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ
2020s 49 β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆ