Selected Publications:
Precognition of a Quantum Process. J. of Parapsychology 33, 1969,
99-108.
The PSI Quotient (PQ): An Efficiency Measure for PSI Tests. J. of Parapsychology 33, 1969,
210-214.
Clairvoyance Test with a Machine. J. of Parapsychology 33, 1969,
300-306.
Quantum Processes Predicted? New Scientist, October 1969, 114-115.
Quantum-Mechanical Random-Number Generator. J. of Applied Physics 41, 1970,
462-468.
A PK Test with Electronic Equipment. J. of Parapsychology 34, 1970,
175-181.
PK Experiments with Animals as Subjects. J. of Parapsychology 34, 1970,
225-261.
Mental Influence on Random Events. New Scientist and Science Journal, June 24, 1971,
757-768.
Schmidt, Helmut and Pantas, Lee. Psi Tests with Internally Different Machines.
J. of Parapsychology 36, 1972, 222-232.
PK Tests with a HighSpeed Random Number Generator. J. of Parapsychology 37, 1973,
105-118.
Instrumentation in the Parapsychology Laboratory. In Beloff, John: New Directions in
Parapsychology, 1974, 13-37.
Psychokinesis. In Mitchell, Edgar. Psychic Explorations, 1974,
178-193.
Comparison of PK Action on Two Different Random Number Generators. J. of Parapsychology 38, 1974,
47-55.
Psi als Wechselwirkung zwischen geistigen Vorgängen und äusseren Quantenprozessen.
Psi und Psyche (E. Bauer, Editor). Deutsche Verlagsanstalt Stuttgart, 1974,
187-195.
Toward a Mathematical Theory of Psi. J. Am. Soc. Psychical Research 69, 1975,
302-319.
PK Effect on Pre-Recorded Targets. J. Am. Soc. Psychical Research 70, 1976,
267-291.
A Suggested Method for Detecting Psi with Subjects whose Performance Fluctuates from Trial to Trial.
J. Am. Soc. Psychical Research 71, 1977, 19-31.
A Simple Random Number Generator for Use with Mini-computers. J. Am. Soc. Psychical Research 71, 1977,
171-176.
Can an Effect Precede Its Cause? A Model of a Non-causal World. Foundations of Physics 8, June 1978,
463-480.
A Program for Channeling Psi Data into the Laboratory and onto the Critic's Desk.
Progress in Parapsychology 1979 (W. Roll, Editor), 66-69.
PK Tests with PreRecorded and PreInspected Seed Numbers. J. of Parapsychology 45, 1981,
87-98.
Collapse of the State Vector and PK Effect. Foundation of Physics 12, 1982,
565-581.
Randomness and the Mind. Looking for Psychic Effect in Games of Chance. Creative
Computing, April 1983, 180-186.
Comparison of a Teleological Model with a Quantum Collapse Model of Psi. J. of Parapsychology 48, 1984,
261-276.
Addition Effect for PK on Pre-recorded Targets. J. of Parapsychology 49, 1985,
229-244.
Schmidt, H. Morris, R. and Rudolph, L. Channeling Evidence for a Psychokinetic Effect to Independent Observers.
J. of Parapsychology 50, 1986, 1-15.
The Strange Properties of Psychokinesis. J. Scientific Exploration 1, 1986,
103-118.
Correlation between Mental Processes and External Random Events. J. Scientific Exploration 4, 1990,
233-241.
Search for a Correlation between PK performance and Heart Rate. J. Amer. Soc. Psychical Research 85, 1991,
101-117.
Non Causality as the Earmark of Psi. Journal of Scientific Exploration 7, 1993,
125-132.
Schmidt, H. and Braud, W. New PK Tests with an Independent Observer. Journal of Parapsychology 57, 1993,
227-239.
Schmidt, H., Stapp, H. Study of PK with pre-recorded random events and the effect of
pre-observation. Journal of Parapsychology 57, 1993, 331-348.
Schmidt, H. Observation of a psychokinetic effect under highly controlled conditions.
Journal of Parapsychology 57, 1993, 351-372.
Schmidt, H. Random generators and living systems as targets in retro-PK experiments.
J. Amer. Soc. Psychical Research 91, 1997,1-13.
Schmidt, H. and Dalton, K. PK tests with repeated efforts on prerecorded targets.
Journal of Parapsychology 63, 1999, 275-283.
Schmidt, H. A proposed measure for psi-induced bunching of randomly spaced events.
Journal of Parapsychology 64, 2000, 301-316.
Schmidt, H. PK tests in a pre-sleep state. Journal of Parapsychology 64, 2000, 317-331.
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