Parapsychology



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SLOT MACHINE

Method

  • 32 Volunteers
  • 128 trials
  • Each trial: participant pays 0.50 euro
  • XXX gives 7 REAL euro (p=12.5%)
  • Random with replacement
  • Focus on medio frontal electrodes (Fz, Pz, Cz)
  • Preprocessing identical to Donkers et al

Overal result (pooled over XXY & XXX)

Statistics


Gemiddeld verschil XXX-XXY in S2-S3 interval: 1.88 microV

(t= 2.35 , df=30, p = 0.026)

S3

Gender?

Relation with attention of participant


Self-rated attention

Effect in microvolts (*1000)


Relation with ‘Luckiness’

Special subjects

But difficult to replicate

Presentiment Meta-analysis

  • 37 studies, 15 different main authors
  • Mean effect size: 0.29
  • Combined p <10^-9
  • Filedrawer fail safe: 670
  • Gambler’s fallacy
  • Mossbridge et al (2011). In press.


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