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Cognition - Mental activity associated with processing,
understanding, and communicating information. Cognitive Psychologists: Psychologists who study thinking
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Luxury, Mid-size, Economy
CONCEPTS TRANSPORTATION Mental Groupings Prototypes Cars, Bicycles, Boats Toyota Camry Hierarchies Luxury, Mid-size, Economy
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Problem Solving Trial & Error Algorithm Insight Heuristics
Methodical, step-by-step procedure. Wrong, wrong, wrong…Got It! Problem Solving Insight Heuristics A-ha! The answer just came to me! Simple rule of thumb strategies.
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Obstacles to problem solving, decision-making, and forming judgments
Fixation Inability to see problem from a fresh perspective. Functional Fixedness Mental Set Stress/Tension Some stress is helpful, but too much can hinder clear thinking.
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Obstacles to problem solving, decision-making, and forming judgments
Representative Heuristic Judge the likelihood of events based on how well they match a prototype. Availability Heuristic Judge the likelihood of events on how available the event is in our memory. Influenced by media.
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Representative Heuristic
Linda is 31, single, outspoken, and very bright. She majored in philosophy in college. As a student, she was deeply concerned with discrimination and other social issues, and she participated in antinuclear demonstrations. Which statement is more likely? Linda is a bank teller. Linda is a bank teller and active in the feminist movement.
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The Availability Heuristic
Consider the letter K. Is K more likely to appear in: The first position of a word? The third position of a word?
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The Availability Heuristic
It is a lot easier to think of words which start with the letter K than of words where K is in the third position. However, a typical selection of text contains twice as many words in which K is in the third position than words which start with K.
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Obstacles to problem solving, decision-making, and forming judgments
Overconfidence Overestimate the accuracy of our knowledge and judgments Framing The way an issue or question is posed can influence judgment and decisions Belief Bias Pre-existing beliefs will cloud logical reasoning.
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Obstacles to problem solving, decision-making, and forming judgments
Confirmation Bias Tendency to search for information that confirms one’s beliefs Changing a hypothesis requires greater cognitive effort than maintaining the same hypothesis Harder to deal with negative information than positive information Self-fulfilling prophecy (experimenter manipulating data)
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Language lan·guage (l ng gw j) n. Communication of thoughts and feelings through a system of arbitrary signals, such as voice sounds, gestures, or written symbols. Such a system including its rules for combining its components, such as words. Such a system as used by a nation, people, or other distinct community; often contrasted with dialect. A system of signs, symbols, gestures, or rules used in communicating: the language of algebra. Computer Science. A system of symbols and rules used for communication with or between computers. [Middle English, from Old French language, from langue, tongue, language, from Latin lingua.
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Language - Some common characteristics
Semanticity-sounds of human language convey meaning. Arbitrariness-no connection between symbols and meanings. Dog has no resemblance to a 4-legged creature. Flexibility of symbols-language is changeable and “inventable.” Naming-we assign names to all objects, feelings, emotions, ideas, concepts. Imagine this sentence 50 years ago: “I am word processing on my personal computer.” Displacement-can talk about past, present, future. Productivity-new sentences are generated, not repeated.
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The sounds of a language
sh PHONEMES g ch f oo The sounds of a language
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Morpheme - The smallest unit of language that carries meaning; may be a word or part of a word. UNDESIRABLES UN DESIR ABLE S
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Grammar - System of rules for a language
Language Structure Grammar - System of rules for a language Semantics - Rules used to derive meaning from morphemes, words, and sentences. Syntax - Rules used to order words into sentences.
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The steps to language development
Complete Sentences - 2yrs.+ Telegraphic Speech - 2 yrs. Two-word stage - 2 years One-word stage - one year Babbling Stage - 3/4 months
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Inborn or Blank Slate? Universal grammar Made-up languages
Learn whatever we hear Rate of learning CHOMSKY Computer’s ability to learn past tense verbs Associations, imitation, reinforcement SKINNER
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How Did You Learn All Those
Language Development How Many Words Do You Know? Average High School Grad Knows ~ 80,000 words Schools teach approx 200 words per year BUT You learned approx 5,000 words per year! How Did You Learn All Those Other Words?!?
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The importance of age on language acquisition.
CRITICAL PERIODS Case Study – Genie The importance of age on language acquisition.
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Animals communicate, but do they use language?
Bees: Intricate dancing communicates locations. Apes/Chimpanzees: Signing and pushing buttons on a computer, word strings, make requests. Apes: Inability to use proper syntax.
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= Language Influencing Thinking Expand Vocabulary
Linguistic Determinism: Benjamin Whorf’s hypothesis that language shapes a man’s ideas. Expand Vocabulary Expand Thinking Power =
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Thinking without language
Thinking in images Invention of new words Visualization techniques THINKING LANGUAGE
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