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106 Cards in this Set

  • Front
  • Back
goals of psychology
causes or mechanisms
functions
prediction
control
causes or mechanisms
proximal
distal
proximal cause
an event that is closest to or immediately responsible for causing something

ex: i ate because i felt hungry
distal cause
the real reason something occurred

i was hungry becasue i hadn't eaten for a week so i ate
functions:
outcomes or results

function of eating: energy, nourishment
prediction
some things are more predictable than others
control
treatment
environmental design
environmental design
IO psychologists examine how we act in our environment and make designs to make things easier
ex: airport bathroom, flys in toilet
sub disciplines of psychology
clinical
counseling
psychometrics
industrial organizational
ahhhhhh
don't forget to make slides for first class
professional societies
american psychological association (56 divisions, 54 functional)

association for psychological science
clinical psychology
therapy
counseling
don't study behavioral disorders
psychometrics
testing, statistics, design, validation
difference btw psychologist and psychiatrist
psychologist has Ph.D. and can't prescribe medicine, do behavioral training

psychiatrist is doctor and can prescribe medicine
industrial/ organizational (IO)
-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
hawthorne effect example
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
hawthorne effect
tendency of subjects to be over cooperative and compliant with an experimenter, rather than behaving normally
two influences over history of psychology
physiology
philosophy
hippocrates
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
hippocrates body types and personalities
-endomorph: fat, happy, sociable
-ectomorph: skinny, nervous, thoughtful
-mesomorph: athletic, energetic, direct
socrates
first psychotherapist
studied the unconscious mind
asked questions to find hidden thoughts

foreshadowed freud
plato
socrates student
predated freud
related inner organs to personality
freud
different phases: oral=dependency, anal=self control, phallic=moral
aristotle
-objective observation
-vitalism: behavior is a function of the soul
-continuity: all organisms are comparable
vitalism
-behavior is a function of the soul
-beginning of nature vs nurture (nature side)

aristotle
continutity
aristotle

all organisms are comparable
measurable differences in evolution
albertus magnus and st. thomas acquinas
-man-brute dichotomy: discontinuity position
-discontinutiy: can't compare animals and humans
discontinuity
magnus and acquinas

can't compare nonhumans and humans

humans: free will and reason
animals: instincts
renes descartes
-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
mechanism

descartes
behavior is a function of physical laws
reflex action

descartes
external agent passed to brain and sent back to body part
fire and foot
nurture side of controversy
john locke
tabula rasa
blank slate
tabula rasa
blank slate
john lock
-prenatally nothing happens
-from time your born you have experiences that get written on blank slate
franz gall
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
phrenology
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
sir francis galton
psychometrics:concerned with the construction and validation of measurement instruments, such as questionnaires, tests, and personality assessments.
correlation coefficient
pearson r
herbert spencer
-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
charles darwin
natural selection
theory of evolution by means of natural selection
-organism variability
-environmental fluctuations
-competition
-adaptation results in reproductive success (fitness)
-speciation: reproductively isolated

-if you reproduce you are fit
speciation

darwin
you can reproduce within that unit but not across units
how does speciation occurr
-correlated variation
-pleiotropy
correlated variation
-when one part is modified, others will be too
-varieties rarely or never differ from one another by single character alone
example of correlated variation
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
pleiotropy
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
natural selection example
ayds diet pill didnt last when aids was discovered
expression of the emotions in man and animal
-continuity between humans and nonhumans
-hired physician to identify facial muscles
-identified six human emotions shared with animals
-happy, sad, disgust, surprise, anger, fear
edward l thorndike
experiments on animal learning
law of effect
puzzle box: how long does it take for cat to push pedal and open door?
throndikes law of effect
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
john b watson
behaviorism
-total rejection of mental constructs
-only deal with observable units
-SR=stimuls response
prooved?
no scientist would ever use this word
what is research
new knowledge
scientific method
applied research
aka translational research

solve problem
basic research
new knowledge
appropriate starting point for research
observation and description across contexts: ideally naturally occurring contexts
-psychologists rarely get to study naturally occurring contexts, ethologists do
ethologists
study animal behavior
roles of naturalistic observation
-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
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
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
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
provide information on species variables for efficient lab study
species difference in predation cues
-dogs vs cats
-dogs hunt in groups, cats hunt solo
use field as natural lab to test hypothesis
-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
sexual selection
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
cons of field research
-lack of control
-small sample
-predation (dead duck in his study)
-hard to get subjects
-can't control sample size
pros of field research
-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
context
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"
continuum of observational settings based on degree of control by investigator
field=least environmental control
lab=most environmental control

look at page 112
unobtrusive field observations
inconspicuous
subjects don't know you're observing them

ex: blinds
obtrusive field observations
participant observer: you are one of the participants

accustom
record

ethologists do this
semifree field observations
enclosed or confined
-islands
-large zoological parks

-cayo santiago island: monkeys are confined to island
observations in capacity
-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
laboratory
complete environmental control
-hard to watch some things in nature
-difficult to observe fish caring for eggs in murky water so put in aquarium
human ethology
-our species-typical behavior
-ethological methods
-is it ethical to record and research people w/o their permission
-trick camera taping facial expressions
reliability
-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
correlation
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
correlation data
positive correlation: x and y both increase or decrease

negative correlation: one increases as other decreases

no correlation: no relationship
correlation strength
the closer to 1 the stronger the correlation, regardless if negative or positive
value of correlation
one variable does not cause another in a correlational study

-fingerprint ridges do not cause sexual preference
if you can't infer causality why use correlational data
-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
experimental manipulation
manipulation for the purpose of drawing causal inferences
pilot studies
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)
independent variable
-manipulated by experimenter
-situational: physical environment, context (hot/cold)
-subject:attribute of subject (age)
-organismic:internal (stimulate section of brain)
dependent variable
-response measured
-examples: number correct, frequency, latency, confounding
extraneous variable
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
example of confounding variable
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
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
ways to control extraneous variables
-single blind-placebo
subject is blind so controls for subject bias
-double blind
subject and experimenter are blind, controls for subject and experimenter bias
all experimenters have at least 2 groups of subjects
experimental group and control group
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
sham operates
-organismic
-surgery for E and C
-E gets internal manipulation, C gets no manipulation
-controls for the effects of trauma of surgery alone
yoked control
-yoked means connected
-only E controls event
-C yoked to E and passively receives same event as E
-effects of arousal
ex of yoked control
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
internal validity
-measures what it intended
-controlling extraneous variables
-if a study isn't internally valid it is useless
ethical issues
-value judgments: no absolute right or wrong

-two domains: nonhuman and human
micturition
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
raw data

statistics
scores in order from lowest to highest
frequency distribution

statistics
scores on one side
how many times it occurred on other
histogram

statistics
bar chart
frequency polygon

statistics
same as bar chart but dots instead of bars and dots are connected with lines
normal distribution

statistics
normal or bell shaped curve
skewed distributions
negatively skewed: few points at low end

positively skewed: few points at high end
descriptive statistics
normal distribution: mean, median, mode all same

skewed distribution: mean, median, mode, all different
how to lie with statistics
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
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
using graphs to lie
-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
using sample size to lie
4 out of 5 people prefer colgate, you assume hundreds of people polled but you don't know that