Psi Effect or Sensory Leakage: Scrutinizing the Ball Selection Test
The Ball Selection Test (BST) (Ertel 2004) is a simple, entertaining, forced-choice test for assessing psi ability. Fifty ping-pong balls, each with a number from 1 to 5 written on its surface, are used as targets. After the balls are shaken in an opaque bag, a participant blindly draws out one ball...
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| Format: | Article |
| Language: | English |
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SSE
2013-10-01
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| Series: | Journal of Scientific Exploration |
| Online Access: | http://journalofscientificexploration.org/index.php/jse/article/view/463 |