PSY 324 - Unit 5 - Exam 1

Similarity Assessment - Spring 2025

shepard’s universal law of generalization

the more similar something is to what we've seen before, the more we expect it to behave the same way (touch screen phone vs a flip phone)

how is the subjective similarity of stimuli P and N related to the distance of P and N in psychological space?

inversely related;

distance increases —> similarity decreases

distance decreases —> similarity increases

psychological space

Hypothetical construct by which objects can be mapped into a geometric space

tversky’s contrast model

similarity is based upon features