research methods ; type of experiment

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LAB EXPERIMENTS
DGFG
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conducted in what kind env?
highly controlled
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- strengths
dfdg
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high control over>
extraneous variables
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researcher can ther4 ensure
any dv change is due to iv
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more certain about cause and effect giving hihg?
internal validity
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what is more possible in this than any other type bc high level cctrl?
replication
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replication is vital for seeing hwat?
whether finding is valid and not just one off
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- limitation
dgd
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lab experiments may lack?
generalisability
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wht?
artificial environment and not like erryday life
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in unfamiliar cotext pps behav can't always be generalised outside of research stting giving low?
external valiity
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pps usually aware being tested which may give rise to?
demand characteristics
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furthermore tasks don't represent?
real life
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e.g recalling unconnected words which gives low?
mundane realism
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FIELD EXPERIMENT
DFGD
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what happens here?
iv manipulated in more natual erryday setting
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- strengths
dgdfg
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env is more natural so higher what than lab?
mundane realism
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field experiments may produce behaviour thats more?
valid + authentic
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esp case as pps may be unaware being studied making high?
external validity
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- limitations
dfgdfg
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price to pay for increased realism bc lose control of?
extraneous variables
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means what is more difficult to est?
cause and effect
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and what about replication?
not always precisely possible
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also important what kind of issues?
ethical
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bc if pps unaware being studies they can't do what?
consent to being studied
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and there4 rsrch may constitute?
invasion of privacy
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NATURAL EXPERIMENTS
DFGD
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when researcher does what?
takes advantage of pre-existing variable
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why natural then?
variable would have changed had resaercher been there or not
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what is it that's natuarl about this?
iv > setting
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- strenghts
dfgd
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provide opportunities for what?
resaerch that might not otherwse be undertaken for practical / ethical reasons
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why high external validity?
study real life issues as happen
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- limitations
ddfd
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naturally occuring event rare, reducing?
opps for research
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also may limit scope for doing what?
generalising findings to other similar situatios
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pps may not be randomly allocate dot?
experimental condts
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meaning researcher might be less sure?
whether iv affected dv
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QUASI-EXPERIMENTS
DGD
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what happens here w/ iv?
iv base don existing difference between people that just exists
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- strengths and limitation
dgd
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carried out under what kind of conditions?
controlled
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so share strengths with?
lab
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and cannot do what with pps?
randomly allocate to condts
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so thereofre there may be?
confounding variables
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carried out under what kind of conditions?
controlled
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so share strengths with?
lab
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and cannot do what with pps?
randomly allocate to condts
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so thereofre there may be?
confounding variables
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conducted in what kind env?

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highly controlled

Card 3

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- strengths

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Card 4

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high control over>

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Card 5

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researcher can ther4 ensure

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