research methods ; validity

VALIDITY
DFGD
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what is validity in psych?
whether test / obs / experiment produces legitimate result
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in other words whether observed effect is?
genuine and out there
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inc whether researcher has measured?
what they intended to
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and the extent to which finding can be?
generalised beyond research setting
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is it possible for studies to produce reliable data that isn't valid?
yes
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like a broken set of scales?
will consistently weigh someone at the same weight but since they're broken that won't be their real weight
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- internal validity
dgdfg
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refers to whether effects observed are due to?
iv manipulation or some other factor
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major threat to internal validity of study is if pps respnd to?
demand characteristics
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like in milgram?
some say they knew shocks were fake but just playinig along
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- external validity
dgd
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relates to factors outside of investigation like?
generalising to other settings / populations / people
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- ecological validity
dgdg
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concerns generalising finding?
from one setting to another
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most particular to what as thats what psychs interested in sudying?
erryday lyf
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what about task can lower ecological validity?
if task to measure dv isn't 'like erryday life;
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like what about memory?
just makin' 'em remember lists of bare words
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so its not just about whether its in?
lab v field
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- temporal validity
dfdf
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issue of whether finding or concepts hold true?
over time
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like with asch?
ppl sugg rates of conformity were from particularly conformist era of the '50s
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and freud?
well, the patriarchy ********
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ASSESSMENT OF VALIDITY
DFGDFG
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what is the most basic form?
face validity
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which is?
whether 'on the face of it' scale measures hat its supposed to
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how cna this be determined?
eyeballing measuring instrument / passing to expert to check
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how is concurrent validity demonstrated?
when results v close / match those obtained on another well established test
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close agreements between two sets of data would indicate?
new test has high concurrent validity
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and close agreement is indicated if correlation exceeds?
+.80
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IMPROVING VALIDITY
DFGD
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- experimental research
sdgd
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validity can be improved in many ways like using control group helps why?
means researcher can better assess whether changes rlly due to IV
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experimenters may also standardise procedures to minimise impact of?
pp reactivity / investigator effects on validity of outcome
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use of what is designed to achieve this same aim as standardisation?
single-blind / double-blind procedures
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- questionnaires
egdg
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many incorporate a lie scale to do what?
assess consistency of respondent's response and ctrl for effects of social desirability bias
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validity may be further enhanced by assuring repsondents what about data?
anonymous
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- observations
dd
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why may their findings have high ecological validity?
minimal researcher intervention
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especially case in covert operatins why?
esperimenter undetected so behav observed natural / authentic
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in addition what may have negative impact on validity tho?
broad / overlapping / ambiguous behavioural categories
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- qualitative methods
dgd
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usually thought of as having higher what kind of validity than quanititative?
ecological
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why?
depth and detail is better to reflect pp reality
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howvever researcher still have to demonstrate what kind of validity of conclusions?
interpretive validity
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which is?
extent to which resarcher;s interpretation matches those of pps
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this can be dmonstrated through things like?
coherence of rsrchrs repording and inclusin of direct quotes
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validity further enhanced through triangulation which is?
use of no different sources
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Other cards in this set

Card 2

Front

what is validity in psych?

Back

whether test / obs / experiment produces legitimate result

Card 3

Front

in other words whether observed effect is?

Back

Preview of the front of card 3

Card 4

Front

inc whether researcher has measured?

Back

Preview of the front of card 4

Card 5

Front

and the extent to which finding can be?

Back

Preview of the front of card 5
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