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An experiment designed to test the hypotheses generated by two alternative theories. The result of a critical experiment is the refutation of one theory and.

Research that is planned and controlled by the examiner. in which the experimenter (subject) acts on an isolated object (objects) and records the change in.

An experiment for developmental (child) and educational psychology. The active influence of the experimental situation on the individual should contribute to their mental development and.

The methodological principle according to which theories are not just wrong. they are always wrong. Falsifiability is a property of any theory. The task of.

The property of any scientific theory is refutable. Any scientific statement can be refuted (falsified). unlike a non-scientific one. A scientific statement doesn’t just have.