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Thinking and Decision Making
Psych 318 @ Iowa State University
18
Psychology
Undergraduate 4
10/21/2015

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Cards

Term
Problem
Definition
Descrepancy between current/initial state and a goal state.
Term
Problem Solving
Definition
A search through problem space to find a path from the initial state to the goal state.
Term
Three Stages of Problem Solving
Definition
1)Interpret/understand problem and form a problem representation.
2)Produce/Select some possible actions
3)Verify solution

Loop step 2 and 3. If looping doesn't work try
4)Incubation, basically leave and come back to the problem later.
Term
problem representation
Definition
a mental model of the problem. Prone to mental set and functional fixedness.
Term
Functional Fixedness
Definition
Inability to see beyond the typical use of an object
Term
Mental Set
Definition
tendency to approach a problem in a particular way. type of confirmation bias
Term
Visual Representation
Definition
A tool for problem solving. Draw things out.
Term
Hill-Climbing
Definition
Take the choice that moves you closest to the goal. If the situation requires moving away from the goal to reach it.
Term
Means-Ends
Definition
characterize the difference between goal and current state. Choose and operator to reduce some large part of the difference. Basically make sub-goals.
Term
Working backwards
Definition
Start at the goal state and determine what previous conditions must have been, given the problem. Often there are fewer paths from the goal state to the initial state than visa-versa.
Term
availability heuristic
Definition
judging the likelihood of events based on their availability in memory
Term
Conjunction Fallacy
Definition
the probability of the conjunction of two events is necessarily less than the probability of either event by itself.
Term
Confirmation Bias
Definition
searching for information that confirms or matches a specific hypothesis.
Term
Logical possiblity
Definition
really only applies to objectively unbiased situations such as true games of chance.
Term
Frequency
Definition
Probablility as the proportion of times an event occurs out of all the occasions it could have occurred.
Term
Relationship between decision making and probability
Definition
Decision making involves taking info about probability and combining it with info about your goals and interests.
Term
Utility
Definition
Anything useful in taking you nearer a goal has utility to you.
Term
expected value
Definition
average benefit given prize figures and knowledge of the odds
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