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55 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
reasoning
the process of drawing conclusions and the cognitive processes by which ppl start with information and come to conclusions that go beyond that info
deductive reasoning
reasoning that involves syllogisms in which a conclusion logically follows from premises
syllogism
a series of three statements: two premises followed by a conclusion. The conclusion can follow from the premises based on the rules of logic
premises
the first two statements in a syllogism
conclusion
the final statement in a syllogism
categorical syllogisms
a syllogism in which the premises and conclusion describe the relationship between two categories by using statements that begin with all, no, or some
premise 1: all birds are animals
premise 2: all animals eat food
conclusion: therefore, all birds eat food
inductive reasoning
reasoning in which a conclusion follows from a consideration of evidence. This conclusion is stated as being probably true, rather than definitively true, as can be he case for the conclusions from deductive reasoning
validity
quality of a syllogism whose conclusion follows logically from its premises
Conditional Syllogisms
have two premisses and a conclusion
premise 1 has the form "if...then..."
If I lend Steve 20 bucks, then I wont get it back. I lent Steve 20 bucks. Therefore, I wont get my 20 bucks back.
Antecedent
In a conditional syllogism, the term p in the conditional premise "if p, then q."
consequent
in a conditional syllogism, the term q in the conditional premise "if p, then q."
Page 363
study this chart
affirming the antecedence
a conditional syllogism of the following form; if p, then q; p; therefore, q. the antecedent, p, is affirmed in the second premise. this is a valid form of conditional syllogism
denying the consequent
a conditional syllogism of the following form; if p, then q; not q; therefore not p. the consequence, q, is denied in the second premise.
denying the antecedent
a conditional syllogism of the following form; if p, then q; not p; therefore not q. this is an invalid form of conditional syllogism.
if its robin then its a bird
its not a robin
therefore its a not a bird.
wason four card problem
a conditional reasoning task that involves four cards. various versions of this problem have been used to study the mechanisms that determine the outcomes of conditional reasoning tasks
falsification principle
the reasoning principle that to test a rule, it is necessary to look for situations that would falsify the rule.
pragmatic reasoning schema
is a way of thinking about cause and effect in he world that is learned as a part of experiencing everyday life
an example is the permission schema that states is a person satisfies condition A then he or she gets to carry out action B.

example: 'if your are 21 then you get to drink beer"
evolutionary perspective on cognition
an argument that we can trace many properties of our minds to the evolutionary principles of natural selection
social exchange theory
states that an important aspect of human behavior is the ability for two people to cooperate in a way that is beneficial to both people.
inductive reasoning examples
observation: all the crows in cocoa beach i have seen are black, all the crows Ive seen in seattle are black too.
conclusion: i can assume all crows are black
we do not consider validity we decide how strong an argument is. strong arguments result in conclusions that are more likely to be true
what factors contribute to the strength of an inductive argument
1. how well do the observations about a particular category represent all members of that category?
2. number of observations
3. quality of evidence
any time we make a prediction on what will happen based on what has happened in the past
availability heuristic
events that are more easily remembered are judged as being more probable than events that are less easily remembered
Ex: which words are more prevalent in English? Words that begin with the letter r or words in which r is the third letter
70% responded words begin with r when actuality 3 times more have r as third letter
experiment that demonstrates availability heuristic
procedure: in the famous men condition 12 names were famous men and 14 names were non-famous women. In the famous women condition 12 names were famous women and 14 non-famous men. Task was to estimate whether more women or more men listed in the list they heard.
77% in famous men condition said there were more men and 81% of famous women condition said there were more women
illusory correlations
occurs when a correlation between two events appears to exist, but in reality there is no correlation or it is much weaker than assumed to be
this may take the form of a stereotype
stereotype
an oversimplified generalization about a group of class of ppl that often focuses on the negative
selective attention to stereotypical bxs makes them more readily available
representativeness heuristic
the probability that A is a member of class B can be determined by how well the properties of A resembles the properties we usually associate with class B
more ppl thought a description of a man who wears glasses, is quiet, and reads a lot was a librarian rather than a farmer
base rate
the relative proportion of different classes in the population
more farmers than librarians so it is more likely he is a farmer than a librarian
conjunction rule
states that the probability of a conjunction of two events (A and B) cannot be higher than the probability of the single constituents (A or B)
asked participants if Linda is just a bank teller or a bank teller and a feminist after giving a description of Linda being involved in social justice. However there are more bank tellers than feminist bank tellers so there cannot be a higher chance she is feminist ( but ppl think so because of heuristic)
law of large numbers
states that the larger the number of individuals that are randomly drawn from a population, the more representative the resulting group will be of the entire population
small hospital, 15 babies
large hospital, 45 babies
which records more days where more then 60% babies are boys?
smaller because of this law
confirmation bias
our tendency to selectively look for info that conforms to our hypothesis and to overlook info that argues against it
2, 4, 6 rule is 3 numbers that are increasing in magnitude but ppl thought rule was increasing intervals of 2. to solve problem had to create sequences that dis confirm their current hypothesis
experiment that tests how ppls attitudes are affected by exposure to evidence that contradicts that attitude
procedure: one group was against capital punishment and the other for it, they were presented with studies; some saying that capital punishment deterred murder and same saying the opposite. They only focused on info that agreed with their beliefs
expected utility theory
the idea that ppl are basically rational, so that if they have all of the relevant info, they will make a decision that results in the maximum expected utility
ppl don't always follow this I.E. gambling
utility
outcomes that achieve a person's goals (i.e., money)
experiment that demonstrates when ppl do not follow utility theory
participants received a dollar every time they drew a red jelly bean from a bowl consisting of red and white jelly beans. When given the choice between a bowl that had 1 red and 9 white (10% chance) or a bowl that had 7 red and 93 white (7% chance) they chose the larger bowl with less probability
expected emotions
emotions that ppl predict that they will feel for a particular outcome
involves probable emotion but no feeling of actual emotions
can be part of utility approach because good outcome equals positive emotion and bad outcome equals negative emotion
immediate emotions
emotions that are experienced at the time a decision is being made
integral immediate emotions
emotions that are associated with the act of making a decision
trying to make a decision on Deal or No Deal
incidental immediate emotions
emotions that are unrelated to the decision
can be caused by natural disposition, something that happened earlier in the day, or reacting to general environment
risk aversion
the tendency to avoid taking risks
expected emotions are one of the determinants of risk aversion
experiment that compared ppl's expected emotions with their actual emotions
gave participants $5 and told them based on a coin flip they would either win $5 more or lose $3. The participants rated their happiness before and predicted their happiness level if they won or lost. Most predicted that the negative effects of losing would be greater than the positive effects of winning. After they took a survey on their happiness.
results: the positive effect of winning was only a little less than predicted. the actual effects of losing was a lot less than predicted. the effects were about equal. The inability to predict emotional outcome of a decision can lead to inefficient decision making.
experiment that shows how incidental emotions affect decision making
participants viewed one of three film clips (1) a person dying (sadness) (2) a person using a dirty toilet (disgust) (3) fish at the great barrier reef (neutral). Participants in the first two groups were also asked to write how they would feel if they were in those situations. They then gave participants a highlighter set and determined (1) the price they would be willing to sell (2) the price at which they would be willing to buy the set.
Participants in the first two groups were willing to sell the set for less than the neutral group. The sadness group was willing to pay more. This may be because sadness is associate with a need for change and disgust is associated with a need to expel things
opt-in procedure
procedure in which a person is required to take an active step to choose a course of action (i.e., choosing to be an organ donor)
opt-out procedure
procedure in which a person must take an active step to avoid a course of action (i.e., choosing not to be an organ donor)
France has high organ donor rate because they use opt-out procedure where everyone is an organ donor unless they opt-out. the opt-in vs opt out results indicate that the procedure used to identify ppls willingness to be organ donors does have an effect
example of how the wording of a problem can influence a decision
pg 380
risk aversion strategy
a decision making strategy that is governed by the idea of avoiding a risk. Often used when a problem is state in terms of gains.
risk-taking strategy
governed by the idea of taking risks. Often used when a problem is stated in terms of losses
framing effect
decisions are influenced by how the choices are stated or framed
justification in decision making experiment
pg 381
prefrontal cortex
activated by stimuli from all of the senses, retrieval of memories, and by the anticipation of future events, and can be effected by a person' emotional state
damage to prefrontal cortex
women could not plan meals but could cook individual dishes
interferes with ability to act with flexibility which interferes with problem solving
reasoning problems
preservation
damage to PFC interferes with this ability o switch from one pattern of bx to another
problems with tower of Hanoi
neuroeconomics
a new approach to studying decision making which includes psychology, neuroscience, and economics
identify areas of brain activated when playing economic games
ultimatum game
two players; one is proposer and the other the responder. The proposer is given a sum of money and makes an offer on how it should be split to the responder. If they accept it is split according to the proposal but if they reject, neither receives anything.
according to utility theory the responder should accept no matter what, however when given an offer of 1 or 2 almost half reject it because they are angry and think it unfair. more ppl accepted low offers against a computer
omission bias
the tendency to do nothing to avoid having to make a decision that can be interpreted as causing harm
pg 385