Video: Qib kev ntsuas rau qib kev zoo siab yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
kev cai
Hais txog qhov no, qhov ntsuas kev zoo siab yog dab tsi?
Yooj yim muab tso, kev noj qab nyob zoo yog txhais raws li koj qhov kev ntsuam xyuas ntawm a) koj tus kheej lub neej, thiab b) koj lub siab xav thiab kev xav-li no daim ntawv lo "subjective." Kev noj qab nyob zoo yog thawj txoj hauv kev zoo Psychology cov kws tshawb fawb tau txhais thiab ntsuas cov neeg kev zoo siab thiab nyob zoo.
Tsis tas li ntawd, qhov ntsuas qib twg yog xyoo yug? Nominal - npe xwb. Ordinal - muaj kev txiav txim. Interval - kuj muaj cov ntsiab lus nrug.
Kuj tseem paub yog, qhov ntsuas ntsuas qhov mob yog dab tsi?
Hauv thaj teb ntawm mob kev tshawb fawb, feem ntau siv mob Kev ntsuas qhov ntsuas yog qhov ntsuas qhov ntsuas, uas yuav suav nrog qhov pom qhov sib piv (VAS).
Kev ntsuas qib twg yog haiv neeg?
Lub Nominal Qib thiab Scale Common piv txwv nyob rau hauv sociology muaj xws li nominal taug qab ntawm poj niam txiv neej (txiv neej los yog poj niam), haiv neeg (dawb, Dub, Neeg Mev, Neeg Esxias, Asmeskas Khab, thiab lwm yam), thiab cov chav kawm (cov neeg pluag, chav ua haujlwm, chav nruab nrab, chav kawm siab). Tau kawg, muaj ntau lwm yam hloov pauv uas ib tus tuaj yeem ua tau ntsuas ntawm nominal scale.
Pom zoo:
Dab tsi yog suav tias yog qib hlau siab hauv cov dej zoo?
Cov qib hlau hauv cov dej zoo feem ntau tsawg dua 10 milligrams / liter. EPA qib ntawm 0.3 mg / L yog tsim los rau kev zoo nkauj xws li saj, xim thiab staining. North Carolina tau teeb tsa qib kev tiv thaiv kev noj qab haus huv rau cov tib neeg raug mob ntawm 2.5 mg / L
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