define measurement. describe four levels of measurement in psychological research.
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maserment is means नाप
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In psychology ,measurement is the development of procedures to measure people's characteristics like intelligence or personality.
Four levels of measurement in psychology are:-
Nominal or categorical :- this is the most simple scale used in measurement .
Ordinal scale :- they are simplest attitude measuring scale used in Marketing Research.
Interval scale:-here in distance between the various categories unlike in Nominal ,or numbers unlike in Ordinal,are equal in case of interval scales .
Ratio scales :- they need a base system available for their comparision.They has a natural zero point and further numbers are placed at equally appearing intervals.
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