Research: What Do Rats Prove?

Psychologists and other social scientists study the actions and reactions of the albino rat to learn about human behavior. Now a University of Wash ington psychologist, Robert B. Lockard, suggests in American Psychologist that the laboratory lessons may be invalid, and that the rats do not prove much about people. The reason is that the albino rat—a mutant form of the wild brown rat—is a genetic monster of dubious value to research. Caged and bred in captivity for more than a century, it is a man-made abomination—fat and degenerate, faithful neither to its wild...

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