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106 Cards in this Set
- Front
- Back
goals of psychology
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causes or mechanisms
functions prediction control |
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causes or mechanisms
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proximal
distal |
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proximal cause
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an event that is closest to or immediately responsible for causing something
ex: i ate because i felt hungry |
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distal cause
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the real reason something occurred
i was hungry becasue i hadn't eaten for a week so i ate |
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functions:
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outcomes or results
function of eating: energy, nourishment |
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prediction
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some things are more predictable than others
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control
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treatment
environmental design |
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environmental design
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IO psychologists examine how we act in our environment and make designs to make things easier
ex: airport bathroom, flys in toilet |
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sub disciplines of psychology
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clinical
counseling psychometrics industrial organizational |
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ahhhhhh
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don't forget to make slides for first class
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professional societies
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american psychological association (56 divisions, 54 functional)
association for psychological science |
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clinical psychology
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therapy
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counseling
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don't study behavioral disorders
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psychometrics
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testing, statistics, design, validation
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difference btw psychologist and psychiatrist
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psychologist has Ph.D. and can't prescribe medicine, do behavioral training
psychiatrist is doctor and can prescribe medicine |
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industrial/ organizational (IO)
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-workplace (ex: budlight hidden in office)
-environmental design -personnel scanning -workers and work related issues -advertising -ex: more violent tv shows means less memory of commercials |
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hawthorne effect example
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western electric plan hired psychologists to increase work productivity
music increased it lights up and lights down increased it workers were happy to be in experiment so increased productivity whenever something was changed workers were over cooperative |
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hawthorne effect
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tendency of subjects to be over cooperative and compliant with an experimenter, rather than behaving normally
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two influences over history of psychology
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physiology
philosophy |
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hippocrates
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related personality to body type
-phthisic: tall, thin, angry, bad tempered -apoplectic: short, squat, sluggish, unemotional -preceded sheldon -physiological -theory of mental illness, rather than being possessed by demons -studied sacred disease (epilepsy) related everything back to brain |
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hippocrates body types and personalities
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-endomorph: fat, happy, sociable
-ectomorph: skinny, nervous, thoughtful -mesomorph: athletic, energetic, direct |
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socrates
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first psychotherapist
studied the unconscious mind asked questions to find hidden thoughts foreshadowed freud |
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plato
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socrates student
predated freud related inner organs to personality |
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freud
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different phases: oral=dependency, anal=self control, phallic=moral
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aristotle
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-objective observation
-vitalism: behavior is a function of the soul -continuity: all organisms are comparable |
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vitalism
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-behavior is a function of the soul
-beginning of nature vs nurture (nature side) aristotle |
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continutity
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aristotle
all organisms are comparable measurable differences in evolution |
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albertus magnus and st. thomas acquinas
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-man-brute dichotomy: discontinuity position
-discontinutiy: can't compare animals and humans |
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discontinuity
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magnus and acquinas
can't compare nonhumans and humans humans: free will and reason animals: instincts |
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renes descartes
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-mechanism: behavior is a function of physical laws
-reflex action: external agent passed to brain and sent back to body part nurture side of controversy |
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mechanism
descartes |
behavior is a function of physical laws
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reflex action
descartes |
external agent passed to brain and sent back to body part
fire and foot nurture side of controversy |
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john locke
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tabula rasa
blank slate |
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tabula rasa
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blank slate
john lock -prenatally nothing happens -from time your born you have experiences that get written on blank slate |
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franz gall
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phrenology: localize 33 mental characteristics
-got people interested in brain, behavior relationships -mapped out surface of brain -look for bumps in skull-bumps meant more talented in that area |
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phrenology
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localize 33 mental characteristics on surface of brain
-writing section, art section, etc -bump in a certain section meant you were more talented in that area |
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sir francis galton
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psychometrics:concerned with the construction and validation of measurement instruments, such as questionnaires, tests, and personality assessments.
correlation coefficient pearson r |
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herbert spencer
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-principles of psychology
-continuity -social statics -survival of the fittest: coined this phrase -poverty and starvation are natural agents: they cleanse the society of the unfit |
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charles darwin
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natural selection
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theory of evolution by means of natural selection
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-organism variability
-environmental fluctuations -competition -adaptation results in reproductive success (fitness) -speciation: reproductively isolated -if you reproduce you are fit |
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speciation
darwin |
you can reproduce within that unit but not across units
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how does speciation occurr
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-correlated variation
-pleiotropy |
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correlated variation
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-when one part is modified, others will be too
-varieties rarely or never differ from one another by single character alone |
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example of correlated variation
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only tallest organism survives to reproduce
-off spring will have genetic potential to be tall, but those genes will also create other changes (hair color) -over generations this creates a new species |
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pleiotropy
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modern term for correlated variation
-all phenotypes have equal chance of showing -each gene has several phenotypes -ex: thermoregulation: weather is cold, some adapt better than others, very furry cat is best -when furry cat passes on gene its offspring might be very furry or could have crazy lips or eyes |
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natural selection example
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ayds diet pill didnt last when aids was discovered
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expression of the emotions in man and animal
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-continuity between humans and nonhumans
-hired physician to identify facial muscles -identified six human emotions shared with animals -happy, sad, disgust, surprise, anger, fear |
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edward l thorndike
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experiments on animal learning
law of effect puzzle box: how long does it take for cat to push pedal and open door? |
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throndikes law of effect
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a connection btw a stimulus and a response is strengthened when it is accompanied or closely followed by a satisfying state of affairs
-if you like it you will do it again |
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john b watson
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behaviorism
-total rejection of mental constructs -only deal with observable units -SR=stimuls response |
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prooved?
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no scientist would ever use this word
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what is research
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new knowledge
scientific method |
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applied research
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aka translational research
solve problem |
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basic research
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new knowledge
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appropriate starting point for research
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observation and description across contexts: ideally naturally occurring contexts
-psychologists rarely get to study naturally occurring contexts, ethologists do |
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ethologists
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study animal behavior
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roles of naturalistic observation
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-study nature for it's own sake
-starting point for subsequent lab investigations -validate or add substance to previously obtained lab data -provide info on species variables for efficient lab study -use field as natural lab to test hypothesis |
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study nature for its own sake
roles of naturalistic observation |
alarm calling in belding ground squirrel
-spot predator why put self at risk by drawing attention to self? trying to protect close kin just to learn about nature because it relates to humans |
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starting point for subsequent lab investigations
roles of naturalistic observation |
auditory interaction of mallard hens and their offspring
-field observations -watch hens from blind and record their alarm call (stops embryos from vocalizing when a predator is near) -bring to lab to study -introduce new ducklings to recorded alarm call to see how they react -instinctively, ducklings crouch |
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validate or add substance to previously obtained lab data
roles of naturalistic observation |
tonic immobility (at first purely lab phenomenon)
-state of motionless, monitoring environment, chickens do it in lab -decided to bring studies to field -study caching behavior of foxes -found hens do this when caught by fox, those in tonic immobility have far greater chance of surviving |
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provide information on species variables for efficient lab study
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species difference in predation cues
-dogs vs cats -dogs hunt in groups, cats hunt solo |
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use field as natural lab to test hypothesis
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-male african widow bird with long tail, can't fly well so why evolve?
-because it is a reproduction advantage -compared with regular male to male with no tail, to male with extra long tail -effect on nesting effect (reproductive fitness) -longer the tail= more success at reproducing |
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sexual selection
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darwin
-sexual dimorphism and evolution of elaborate structures -sexual dimorphism: male and female look different (usually male has elaborate trait) -should be disadvantageous due to predation only sexual selection if the only role of elaborate trait is reproductive advantage |
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cons of field research
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-lack of control
-small sample -predation (dead duck in his study) -hard to get subjects -can't control sample size |
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pros of field research
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-high external validity
-generalization -fewer artifacts caused by unnatural contexts(if in field you can assume things you witness are a real phenomenon rather than a result of something in the lab |
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context
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urban rhesus monkeys in india
-started in jungle but some have moved into cities -social organization is very diff btw urban and jungle monkeys -kid in living room vs kid in "strange situation" |
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continuum of observational settings based on degree of control by investigator
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field=least environmental control
lab=most environmental control look at page 112 |
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unobtrusive field observations
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inconspicuous
subjects don't know you're observing them ex: blinds |
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obtrusive field observations
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participant observer: you are one of the participants
accustom record ethologists do this |
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semifree field observations
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enclosed or confined
-islands -large zoological parks -cayo santiago island: monkeys are confined to island |
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observations in capacity
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-zoo, aviaries
artifacts: beware!! -sir solly zuckerman studied monkeys in zoo and put together theory that dominated scientific world: females continuously sexually active -when ppl went into field to study found out females have sexual cycle |
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laboratory
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complete environmental control
-hard to watch some things in nature -difficult to observe fish caring for eggs in murky water so put in aquarium |
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human ethology
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-our species-typical behavior
-ethological methods -is it ethical to record and research people w/o their permission -trick camera taping facial expressions |
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reliability
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-observe independently
-compare data -if >2 observers report seeing same thing its reliable -people are biased so how can you trust one person's research |
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correlation
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relationship btw 2 or more variables
ex: those with high IQ vote kerry those with low IQ vote bush variable=observable measurable variables vary-quantifiable |
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correlation data
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positive correlation: x and y both increase or decrease
negative correlation: one increases as other decreases no correlation: no relationship |
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correlation strength
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the closer to 1 the stronger the correlation, regardless if negative or positive
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value of correlation
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one variable does not cause another in a correlational study
-fingerprint ridges do not cause sexual preference |
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if you can't infer causality why use correlational data
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-variable manipulation may be impractical or unethical
ex: does being an abused child lead you to beat your spouse? can't just beat children to find out data readily available |
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experimental manipulation
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manipulation for the purpose of drawing causal inferences
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pilot studies
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use a small group of subjects to test experiment
-design difficulties get worked out -check sensitivity and validity of measures -gives experimenter practice -narrow range of manipulated variable (instead of 1 and 10 cups coffee do 1 and 3 cups) |
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independent variable
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-manipulated by experimenter
-situational: physical environment, context (hot/cold) -subject:attribute of subject (age) -organismic:internal (stimulate section of brain) |
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dependent variable
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-response measured
-examples: number correct, frequency, latency, confounding |
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extraneous variable
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variable that intrude on experiment and must be dealt with
-control: held constant (time of day) -random: very randomly (economic status) large sample size can help with this -confounding: varies systematically with independent variable: experimenter doesn't know they're there |
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example of confounding variable
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comparing anxiety levels and ability to do math, but temp in rooms is different and the temp is what makes difference in ability to do math
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counterbalancing
way to control extraneous variable |
simultaneous preference test
-finch picking her mates song vs another males song, go to side of box with her mates song, make sure to switch which side you play songs on in case finch has preference to left or right |
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ways to control extraneous variables
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-single blind-placebo
subject is blind so controls for subject bias -double blind subject and experimenter are blind, controls for subject and experimenter bias |
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all experimenters have at least 2 groups of subjects
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experimental group and control group
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experimental group
and control group |
E: independent variable given to them
C: no independent variable given to them -if E doesnt = G then independent variable did have effect -if E = G then independent variable had no effect |
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sham operates
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-organismic
-surgery for E and C -E gets internal manipulation, C gets no manipulation -controls for the effects of trauma of surgery alone |
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yoked control
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-yoked means connected
-only E controls event -C yoked to E and passively receives same event as E -effects of arousal |
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ex of yoked control
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you get a $ for every A you earn, but your brother gets a $ too. your brother is yoked. he has no control over getting a $ or not
rat pups pushing paddle for milk. control showed arousal, but no evidence for law of effect |
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internal validity
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-measures what it intended
-controlling extraneous variables -if a study isn't internally valid it is useless |
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ethical issues
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-value judgments: no absolute right or wrong
-two domains: nonhuman and human |
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micturition
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human experiment
-purpose: effect of personal space invasion on arousal in a naturalistic setting -unobtrusive field experiment -operational definition of arousal=urination (micturition) -operational definition of personal space invasion: subject-confederate distance dependent variables: latency (amount of time btw unzipping and peeing) and duration (how long you pee) whats wrong with urinal study? -no permission from subjects -no debriefing -made it into top psychology journal -oper |
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raw data
statistics |
scores in order from lowest to highest
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frequency distribution
statistics |
scores on one side
how many times it occurred on other |
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histogram
statistics |
bar chart
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frequency polygon
statistics |
same as bar chart but dots instead of bars and dots are connected with lines
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normal distribution
statistics |
normal or bell shaped curve
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skewed distributions
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negatively skewed: few points at low end
positively skewed: few points at high end |
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descriptive statistics
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normal distribution: mean, median, mode all same
skewed distribution: mean, median, mode, all different |
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how to lie with statistics
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outliers pull mean one way, misleading people
-salary example -uconn class sizes average 29 students: included all of the individual studies of one person per class so those outliers pulled mean way down |
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measure of variability
standard deviation |
small SD= not many people at high or low end
large SD= ppl spread way out, people at low and high end |
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using graphs to lie
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-y axis can be used to deceive people by changing the scale
-salary changes example expanded y axis looks like huge change while normal y axis shows little change |
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using sample size to lie
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4 out of 5 people prefer colgate, you assume hundreds of people polled but you don't know that
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