Three Minute Review. validity of IQ tests some predictive use, but not great. Other types of intelligence

Transcription

1 Three Minute Review INTELLIGENCE history of testing and intelligence tests how to make a proper test (valid, reliable, standardized) verbal vs. performance subtests Spearman logic of factor analysis one main factor (g) + specific factors (s s) what is g? faster processing? better executive function? working memory, perhaps in lateral prefrontal cortex Cattell two main factors fluid intelligence crystallized intelligence validity of IQ tests some predictive use, but not great Other types of intelligence savants Gardner -- multiple intelligences Goleman -- emotional intelligence Heredity of intelligence strong genetic component some environmental component Flynn effect IQ has increased over time genes haven t changed that quickly -- what has? both genes and environment are necessary 1

2 Test Yourself Rashi is given several intelligence tests and is found to do well above average on most areas, including mathematical, verbal, and spatial abilities. Spearman would attribute Rashi'shigh performance across this variety of tests to: a) g (general intelligence). b) s (specific ability). c) fluid intelligence. d) crystallized intelligence. e) mental age. Assembling Sounds Sounds phonemes morphemes words sentences meaning hard to identify word transitions in speech speech recognition systems require slow, paused speech misunderstandings mondegreens It s a doggy-dog world Our father wishart in heaven; Harold be thy name Jimi Hendrix scuse me while I kiss this guy Red Hot Chili Peppers Wait for the shed; it s a lonely view? Assembling Words Sounds phonemes morphemes words sentences meaning (Gray, Fig 11.9, p. 436) Morpheme vs. word? The boy-s kick-ed the ball 2

3 Assembling Meaning Sounds phonemes morphemes words sentences meaning Grammar the rules of language phonology -- assembling sounds morphology -- combining word parts The boy hit the ball vs. The boy hitted the ball syntax -- word order The boy hit the ball vs. The ball hit the boy Semantics meaning The boy hit the ball vs. The boy went to the ball Deep Meaning the underlying ideas based on context and culture She: I am leaving you. He: Who is he? Ambiguous Phrasing When things go wrong Translation errors based on alternative word meanings In a Bangkok dry cleaner's "Drop your trousers here for best results." Outside a Paris dress shop "Dresses for street walking." In an Acapulco hotel "The manager has personally passed all the water served here." Headlines with noun/verb ambiguity British Left Waffles on Falklands Stud Tires Out Chou Remains Cremated Teacher Strikes Idle Kids Squad Helps Dog Bite Victim Hershey Bars Protest Deer Kill 130,000 Translation software The vodka is good but the meat is rotten. 3

4 Mentalese Is language the basis of thought? Do words that exist in other languages allow new concepts? Schadenfreude (German, damage + joy) = experiencing pleasure at someone else s misfortune Do our words bias our thoughts? stewardess vs. flight attendant fire man vs. fire fighter chairman vs. chair or chairperson Do Eskimos (Inuit) really have so many (e.g., 300) words for snow? Linguistic Relativity (Sapir & Whorf) Whorf s problem with empty oil containers culture, through language affects the way we think another language, another soul Language in the Brain The brain of Broca s patient Tan Paul Broca Broca s aphasia follows damage to left frontal lobe problems generating speech not a problem moving mouth muscles often accompanied by right hemiparesis why? Broca s Area Wernicke s aphasia occurs with left hemisphere damage problems with language comprehension fluent nonsense visual cortex auditory cortex Wernicke s area (language comprehension) Broca s area (language generation) motor cortex (mouth, lips tongue) 4

5 Thin Slices of Behavior subjects watched soundless video clips of teaching assistant for 2, 5 or 10 seconds students rated how accepting, empathic, optimistic, professional, or supportive the teacher seemed correlation with teaching ratings of students in the instructor s class:.76 5

6 Physical Space depends on how well you know the other person depends on situation (e.g., elevator, subway) larger for pairs with status difference than for peers distance is set by higher status person smaller for women than men Physical Space need more space face-toface than back-to-back how to freak people out in an elevator (or at a urinal) Facial Expressions Fake vs. zygomatic smiles In this picture, an experienced flight attendant demonstrates a facial expression she uses at work. Is she performing genuine warmth, or is it concealed irritation? a. Genuine Warmth b. Concealed Irritation 6

7 Eye Contact indicates attentiveness, credibility conveys intensity of feelings couples in love makes people more likeable higher tips when does a gaze become a stare? aggressive, causes discomfort culturally specific Asians < Americans < Arabs higher status individuals make more eye contact, lower status individuals look away more Body Language twitching = nervousness open posture (e.g., arms open) closed posture (e.g., arms crossed) leaning toward you = positive attitude leaning back = negative attitude or defensiveness higher status person more open posture Who just won the basketball game? Gesturing while on the phone Why do you gesture when no one is watching? 7

8 Interactional Synchrony: congruent posture, congruent minds Detecting Deception I did not have sexual relations with <pause, gaze averted> that woman, Ms. Lewinsky. Accuracy at Lie Detection 8