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This demo from Appalachian State University explores the concept of magnitude estimation, a fundamental technique in psychology. Participants are presented with a standard stimulus assigned a value (the modulus), with the task of assigning numbers to varying stimuli based on their perceived magnitude relative to the modulus. Through practice, observers learn to evaluate the relative sizes of circles, determining how multiples of the standard stimulus compare. The exercise illustrates direct scaling and perceptual judgments in a controlled environment, enhancing understanding of subjective measurement.
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Magnitude Estimation Demo Psychology 3203 Appalachian State University
Magnitude Estimation • The assumption of direct scaling. • The observer is presented with a standard stimulus. • The stimulus is assigned a value. • This standard stimulus is the modulus.
Magnitude Estimation • The observer is presented with a series of stimuli that vary along 1 physical dimension (like size). • Stimuli are presented in random order. • The observer must assign a number to indicate magnitude relative to modulus.
