curs 10 statistica
DESCRIPTION
slide-urile de la cursTRANSCRIPT
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Analiza Varianței
Unifactorială (ANOVA U)
Cu scoruri nerelaționate sau necorelate
Cu scoruri corelate sau măsurători repetate
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ANOVA U (I)
Pasul 1 Pasul 2
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Analiza Varianței (III)
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Analiza Varianței (IV)
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Exemplu rezolvat
http://statpsih.wordpress.com/2014/04/26/analiza-variantei-unifactoriala-i/
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Analiza varianței (VI)
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Analiza Varianței (VII)
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Analiza Varianței (VIII) - rezultate
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Analiza Varianței (IX) - rezultate
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Analiza Varianței
Bifactorială
Cu scoruri nerelaționate sau necorelate
Cu scoruri corelate sau măsurători repetate
![Page 12: Curs 10 statistica](https://reader036.vdocuments.mx/reader036/viewer/2022081716/5478d23ab4af9fda158b466d/html5/thumbnails/12.jpg)
Exemplu (I)
G1 G2 G3
9 4 6
Femei 10 7 5
8 5 5
8 4 4
Bărbați 10 4 5
6 5 6
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Exemplu (II)
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Exemplu (III)
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Exemplu (IV)
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Exemplu(V)
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Exemplu (VI)
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Exemplu (VII)
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Exemplu(VIII)
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Analiza validității itemilor
Coeficientul Alpha (Alfa-Cronbach)
Consistența internă a itemilor
Modalitate de scurtare a chestionarului
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Exemplul 2 (I)
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SPSS (I)
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SPSS(II)
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SPSS(III)
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Formula
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Interpretarea
Valori ale coeficientuluiValori ale coeficientului ConsistențaConsistența
Mai mare ca 0,9 excelent
Între 0,7 și 0,9 bună
Între 0,6 și 0,7 acceptabilă
Între 0,5 și 0,6 slabă
Mai mică de 0,5 nu se acceptă