Originally published in 1971. The three contributions collected in this volume deal with different aspects of a single theme—the logical status of scientific

One of the pathways by which the scientific community confirms the validity of a new scientific discovery is by repeating the research that produced it. When a

Includes bibliographical referrences and index.

Researchers, historians, and philosophers of science have debated the nature of scientific research in education for more than 100 years. Recent enthusiasm for

Anthropic Bias explores how to reason when you suspect that your evidence is biased by "observation selection effects"--that is, evidence that has been filtered