Believing Is Seeing by Michael Guillen

This book examines how observation in science is shaped by prior beliefs and theoretical frameworks, arguing that seeing is an interpretive act rather than neutral perception. Through historical and contemporary examples—from perceptual errors to landmark discoveries—it shows how hypotheses, expectations, and cultural assumptions determine what scientists notice, how data are interpreted, and which patterns are considered meaningful. The work calls for intellectual humility about certainty, recommends methods to check subjective bias, and highlights creativity and intuition as essential to scientific progress while clarifying the limits of empirical evidence.

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