We Need Play to Learn the Rules of the Game for the Civil...

The Real Significance of Play.—This scheme is, doubtless, imperfect, as critics of Groos’s book have taken occasion to point out, but the idea which underlies it all is a most suggestive and illuminating one, when rightly understood. In his latest work on the play of man, which has recently appeared, Groos makes clear this point (253, p. 492), when he observes: ‘I presuppose everywhere the existence of innate impulses (Triebe), and assume that these have only led to play-exercise (Spiel...

 Denuciation of the Paleodiet

One of the commonest dietary superstitions of the day is a belief in instinct as a guide to dietary excellence ... with a corollary that the diets of primitive people are superior to diets approved by science ... [and even] that light might be thrown on the problems of human nutrition by study of what chimpanzees eat in their native forests. ... Such notions are derivative of the eighteenth-century fiction of the happy and noble savage.

 Corollaries on the Probability that a Research Finding is...

Corollary 1: The smaller the studies conducted in a scientific field, the less likely the research findings are to be true. Corollary 2: The smaller the effect sizes in a scientific field, the less likely the research findings are to be true. Corollary 3: The greater the number and the lesser the selection of tested relationships in a scientific field, the less likely the research findings are to be true. Corollary 4: The greater the flexibility in designs, definitions, outcomes, and analy...