Famous Experiments

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Famous Experiments

Audience

Difficulty Beginner

The credibility of any psionic framework rests on data, not on philosophy. This page summarises five experiments — chosen for breadth, methodological care, and historical importance — that the curious public most often asks about.

For each: what was done, what was found, replication status, and what it does and does not prove.

1. The Ganzfeld experiments (1974–present)

What was done. A "sender" looks at a randomly selected image for 30 minutes. A "receiver" is in a different soundproofed room with halved ping-pong balls over their eyes (the ganzfeld, or "whole field" — a uniform sensory environment) and white noise in headphones. The receiver describes any mental imagery that arises. After the session, the receiver is shown four candidate images (one true target + three decoys) and ranks them.

By chance, the receiver picks the true target 25 % of the time. Above-chance picking would be evidence for information transfer.

What was found. Meta-analysis of decades of ganzfeld trials (Bem & Honorton 1994 Psychological Bulletin; Storm, Tressoldi, Di Risio 2010 Psychological Bulletin) gives a hit rate around 32 % — about 7 percentage points above chance. Across hundreds of trials this is statistically extraordinary (effect size ≈ 0.13; combined p far below 10−10).

Replication status. Replicated across multiple independent labs. The methodological critiques (Hyman) have been largely addressed by autoganzfeld protocols (Honorton). Effect size is small but durable.

What it proves. That the human pair-receiver hit-rate exceeds chance, robustly, under controlled conditions. The mechanism is not specified by the experiment.

What it does not prove. That the mechanism is ψ-mediated. The data are consistent with (a) ψ-mediated information transfer, (b) some subtle methodological artefact still unidentified, or (c) an unknown sensory channel. The probabilistic case for ψ is strong; the proof is not closed.

See Ganzfeld_Procedure for full methodological detail.

2. The PEAR program (1979–2007)

What was done. At Princeton, the Engineering Anomalies Research lab ran 2.5 million human-machine interaction trials. Subjects sat in front of a random event generator (REG) — a quantum-noise-based binary random source — and tried to influence the long-run distribution of 0s and 1s by intention alone.

What was found. Across the full dataset, REG outputs deviated from chance in the intended direction by approximately 1 hit in 10,000 trials. Tiny per-trial effect; combined statistical significance ~ 7 sigma (p < 10−12).

Replication status. Partial. The PEAR effect has been replicated by several independent groups (Mind-Matter Interaction Consortium, 2000) and also failed to replicate in others. The overall picture: the effect appears in some configurations and not in others; the meta-analysis is positive but the heterogeneity is high.

What it proves. That under specific (PEAR-replicating) conditions, intentional cognitive engagement with an REG produces measurable deviations from random behaviour.

What it does not prove. The exact mechanism. PEAR's own Jahn and Dunne favoured a consciousness-field interpretation; sceptics propose statistical artefacts, optional-stopping, or experimenter effects.

See PEAR_Program.

3. Targ-Puthoff remote viewing (1974)

What was done. At Stanford Research Institute (SRI), Targ and Puthoff worked with several subjects (most famously Pat Price and Ingo Swann) to test "remote viewing" — described as gathering information about a distant location using only mental focus.

Targets were randomly selected from a sealed list. Subject described and sketched the target. Independent judges rated the match between description and target. Statistical analysis: did real-target matches outscore decoys?

What was found. Published in Nature (Targ & Puthoff, 1974). Subjects' descriptions matched intended targets at rates far above chance. Combined p-values were astronomical for individual high-performing subjects.

Replication status. Partial. The SRI / SAIC program (which became Star Gate) ran for 23 years and consumed about $20 million of US government funding (Star_Gate_Program). The 1995 AIR (American Institutes for Research) review found a statistically significant effect ("the laboratory studies provide evidence of a statistically significant effect that warrants further investigation") but concluded the operational utility was unclear. Replication outside the US programme has been mixed.

What it proves. That under SRI / Star Gate conditions, a small number of operationally-screened individuals produced descriptions of remote targets that matched non-randomly at high statistical significance.

What it does not prove. Whether the effect scales to general populations, whether it can be made operationally reliable, and what the underlying mechanism is.

See Remote_Viewing and Star_Gate_Program.

4. The Tate Cooper-pair mass anomaly (1989)

What was done. James Tate, Blas Cabrera, Susan Felch, and James Anderson at Stanford precisely measured the effective mass of a Cooper pair in a rotating superconducting ring. The result — a fundamental quantum property — should match the prediction from condensed-matter physics (BCS times some small corrections) to high precision.

What was found. Published in Physical Review Letters (Tate et al. 1989). The measured Cooper-pair mass was heavier than the BCS prediction by 84 parts per million — far outside the experimental uncertainty.

Replication status. Unreplicated to date; no group has redone the experiment with comparable precision. The result has stood unchallenged but also unconfirmed for nearly four decades.

What it proves. That as of 1989 the most careful measurement of a Cooper-pair mass disagreed with the standard theoretical prediction by a statistically significant amount.

What it does not prove. Why. Several explanations have been proposed: hidden systematic error, missing electromagnetic correction, coupling to a scalar field (the present framework's interpretation), or unknown condensed-matter effect. The framework specifically predicts ~10−4–10−5-level corrections of exactly this scale — fitting the data — but until the experiment is repeated, the case is not closed.

See Cooper_Pair_Mass_Anomaly and Tate_Experiment.

5. The Tajmar gravitomagnetic London moment (2007)

What was done. Martin Tajmar's group (originally at Austrian Research Centers, later TU Dresden) measured the gravitomagnetic field around a rotating ring of niobium superconductor at cryogenic temperatures. Standard GR predicts a "gravitomagnetic London moment" — a tiny gravitational analogue of the magnetic London moment — but the GR prediction is far below any existing detector.

What was found. Published in arXiv (Tajmar et al. 2007 and subsequent papers). The measured signal was 28 orders of magnitude larger than the GR prediction — extraordinary if real.

Replication status. Mixed. Some follow-up groups (Tajmar's own; Graham et al.) confirmed the basic effect; others (Lipa et al.) found null results. The disagreement appears to depend on temperature, geometry, and shielding details. As of 2024 the picture is unsettled.

What it proves. That under some conditions, rotating superconductors emit (or appear to emit) much stronger gravitomagnetic-like signals than mainstream GR allows.

What it does not prove. Whether the signal is gravitomagnetic, electromagnetic-contamination-of-the-detector, or a different anomaly. The framework's interpretation: ψ-field-mediated amplification (the ekψ FμνFμν coupling) in a high-coherence Cooper-pair condensate. Not the only explanation, but a clean one.

See Gravitomagnetic_London_Moment and Tajmar_Experiments.

Honourable mentions

A handful of additional results that didn't make the top-five list but are widely cited:

  • The presentiment / pre-cognition studies (Bem 2011 JPSP) — controversial, mixed replication.
  • Global Consciousness Project (Nelson 1998–present) — REG anomalies correlated with global events.
  • Sheldrake "sense of being stared at" meta-analysis — small positive effect.
  • Dotta-Persinger photon emission during cognition (2012) — biophoton anomaly during focused thought.
  • Ning Li / Podkletnov gravity-shielding — historically important but heavily contested.

Each is treated in detail at its own page; see also Anomalous_Cognition and Replication_Crisis_in_Parapsychology.

What a curious reader should take away

  • The data is not "all noise". Multiple independent paradigms produce statistically significant effects. Sceptics dispute the interpretation, not the existence of the deviations.
  • The effects are usually small. Even the strongest paradigms produce effect sizes of a few percent over chance. This is the typical signature of a weak-coupling phenomenon, which is consistent with the framework's prediction of a weakly-coupled ψ field.
  • The mechanism is not yet proven. "Something is happening" is well-established; "what is happening" remains the central open question — which the present framework attempts to answer.
  • Replication is improving. Preregistration, autoganzfeld, modern statistics, and open data have all raised the standard of the recent literature.

Where to go next

See Also

References

  • Bem, D. J., Honorton, C. (1994). "Does psi exist? Replicable evidence for an anomalous process of information transfer." Psychological Bulletin 115: 4–18.
  • Storm, L., Tressoldi, P. E., Di Risio, L. (2010). "Meta-analysis of free-response studies, 1992–2008: Assessing the noise reduction model in parapsychology." Psychological Bulletin 136: 471–485.
  • Jahn, R. G., Dunne, B. J. (1987). Margins of Reality. Harcourt Brace Jovanovich.
  • Targ, R., Puthoff, H. E. (1974). "Information transmission under conditions of sensory shielding." Nature 251: 602–607.
  • Mumford, M. D., Rose, A. M., Goslin, D. A. (1995). An Evaluation of Remote Viewing: Research and Applications. AIR.
  • Tate, J., Cabrera, B., Felch, S. B., Anderson, J. T. (1989). "Precise determination of the Cooper-pair mass." Physical Review Letters 62: 845–848.
  • Tajmar, M., et al. (2007). "Experimental detection of the gravitomagnetic London moment." arXiv:gr-qc/0603033.
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