PSY 108 Lecture Notes - Lecture 11: Fuzzy Set
Document Summary
Functions of concepts: by dividing the world into classes of things to decrease the amount of information we need to learn, perceive, remember, and recognize, categorization serves a communication purpose (concepts provide the meaning of words) Early experimental studies of concept learning - how do we learn necessary and sufficient features: stripes and three borders - bruner, goodnow, austin (1956, what we learned from these kinds of studies. Striped and three borders - conjunctive concept: relatively easy to learn. Black or crosses - disjunctive concept: relatively harder to learn. They have a two year old daughter but never officially married: charlie is 17 years old. He lives at home with his parents and is in high school. Prototype view of concepts: category, maybe not all or none (things not in a category or not, a fuzzy set with graded membership, concept, prototype comprising characteristic features, ex: bachelor =
