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31 Cards in this Set
- Front
- Back
what makes psychological research scientific |
1) precision- theory star with this- assumption and base stuff off this hypothesis- from observation past case studies etc 2) skeptism- show me 3) reliance on empirical evidence 4) willing to make prediciton |
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principle of falsifiability? |
must not make correct guesses but also what might not happen too
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confirmation bias |
looking for stuff that will prove your theories
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descriptive methods - define |
allows researchers to predict and describe behavior but doesnt have to choose one over another |
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whats a case study |
detailed description of particular individual based on obseration on formal psychological testing
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case studies are most often just |
anecdotes and unreliable
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why are cae studies unreliable?
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people lie forget researcher may omit facts
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observational studies includes |
laboratory or naturalistic observation |
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researchers do what in observational studies
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measure, record behavoior |
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what is the first step of research? |
observational study |
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psychological tests : assessment instrument OBJECTIVE tests are |
measures beliefs feelings, behaviors |
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Psychological testing, assessment instrument projective tests include
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unconcious feelings or motives |
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same information , same time, same instruction |
standardized
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avg test of marks |
norms |
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test must be reliable how to test |
test/retest will suffer from knowing questions twice how to avoid? compute alternate forms |
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validity what are the types
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criterion- what it predicts- job etc content- test on physics better be test on physics
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surveys advantages and disadvantages |
can test large sample group usually only people who are heavily opinionated can be wrong sample size sffer from volunteer bias
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adv and disadv of technologu |
more anonymous cant help if you got questions
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correlation |
numerical representation of relationship between two things
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positive correlation
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weight and height goesu p with age
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negative- strong |
-1 do something less gain more somehtign else
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difference between experimental defintiion and observational |
often case studies based off observation, measurement |
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what is random assignemtn |
random out of a hat choose these guys to go somewhere |
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adv and limit of experimetnal research |
can do field research mostly uni student certain types of people |
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descriptive statistics include |
arithmetic means standard deviation
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artihmetic mean |
mean of the subject |
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this is called what : when the numbers are more spread out, means what? |
mean is more typical, standard deviation |
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inferential statistics |
significantly statistic 5/100 by cance |
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cross sectional study is |
ovver a certain time |
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longitundinal |
one stdy on a group |
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what is meta-analysis |
using information from many studies
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