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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

principle of falsifiability?

must not make correct guesses but also what might not happen too


confirmation bias

looking for stuff that will prove your theories


descriptive methods - define

allows researchers to predict and describe behavior but doesnt have to choose one over another

whats a case study

detailed description of particular individual based on obseration on formal psychological testing


case studies are most often just

anecdotes


and unreliable


why are cae studies unreliable?


people lie


forget


researcher may omit facts


observational studies includes

laboratory or naturalistic observation

researchers do what in observational studies


measure, record behavoior

what is the first step of research?

observational study

psychological tests :


assessment instrument


OBJECTIVE tests are

measures beliefs feelings, behaviors

Psychological testing,


assessment instrument


projective tests include


unconcious feelings or motives

same information , same time, same instruction

standardized


avg test of marks

norms

test must be reliable how to test

test/retest will suffer from knowing questions twice


how to avoid?


compute alternate forms

validity what are the types


criterion- what it predicts- job etc


content- test on physics better be test on physics


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


adv and disadv of technologu

more anonymous


cant help if you got questions


correlation

numerical representation of relationship between two things


positive correlation


weight and height goesu p with age


negative- strong

-1


do something less gain more somehtign else


difference between experimental defintiion and observational

often case studies


based off observation, measurement

what is random assignemtn

random out of a hat choose these guys to go somewhere

adv and limit of experimetnal research

can do field research


mostly uni student certain types of people

descriptive statistics include

arithmetic means


standard deviation


artihmetic mean

mean of the subject

this is called what :


when the numbers are more spread out, means what?

mean is more typical, standard deviation

inferential statistics

significantly statistic 5/100 by cance

cross sectional study is

ovver a certain time

longitundinal

one stdy on a group

what is meta-analysis

using information from many studies