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In actual scientific practice, researchers do not immediately abandon a theory when a hypothesis is disconfirmed. A single disconfirmation could be the result of a Type II error, a flawed research design where variables were not properly manipulated or measured, or an indication that a relatively minor, unstated assumption of the theory was not met.

Practical Complications of Hypothesis Disconfirmation

Instead of immediately discarding a theory after a disconfirmed hypothesis, researchers often use the contradictory evidence to modify it. By adjusting the theory's boundary conditions or addressing unmet assumptions, scientists can adapt the framework so that it successfully accounts for the new observations.

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