Week3 Flashcards
Insensitivity to prior probabilities
Linda- Kahneman
Normative and descriptive theories
Normative-> how should they behave”optimal “choices
says “maximize the expected value.”
Descriptive -> what they actually do
Expected Value
E = value × probability
Concepts are multimodal.
-semantic
- visual
- auditory
- tactile
A prototype
is an average, idealized, representation of a category.
based on commonly encountered instances of a category.
TYPICALITY.
sentence verification task.
Categorization by exemplars
Encountered instances of a category are stored as exemplars.
* We have encountered many more instances of non-banana-like cars than banana-
like cars, this can account for the typicality effect.
* This approach can usually account best for small categories.
Connectionism-Distributed networks
Early PDP work: McClelland
Computation is massively parallel.
content-addressable.
Memory is not stored in neurons, but in the connections between them.
enables generalization ‘visual demonstration
Lesion tolerant ( damaged netwrks can still work
chronology of Iq tests
Binet–Simon Intelligence Scale (France)
Stanford–Binet (US, Stanford)
Wechsler
Spearman (1927):
General intelligence g
Cattell (1943)
fluid- crystallized intelligence