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Cognitive Biases in Science: How Scientists Fool Themselves
The hidden flaws in the machinery of discovery
Scientists are trained to be objective — yet human brains are the same for everyone. What biases survive even rigorous training?
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Confirmation bias leads researchers to notice evidence that supports their hypothesis and dismiss evidence that contradicts it. This happens even when scientists believe they are being fully neutral.
The replication crisis in psychology and medicine revealed that many celebrated findings could not be reproduced. Bias in data collection and analysis was a primary culprit.
Understanding scientific bias helps you evaluate research claims more critically and appreciate why scientific reform efforts matter.
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