No. of Recommendations: 1
Bad science. Bad statistics. Typical of the field of Psychology:

The Bem paper:

Explanations of it's problems:

This kind of statistical ignorance and failure to understand the scientific method is especially bad in the Social Sciences, but even Physicists go through these problems occasionally:

When a research result indicates something like this, common sense should tell the authors something is wrong. If the hypothesis were not null, then there should be some observable impacts to this over the history of man. We shouldn't need to devise these elaborate tests. Gamblers should be wealthy. Weather forecasters should be accurate. Accidents should be avoided. etc.
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