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Samenvatting Stappenplan gepaarde wilcoxon test SPSS $4.88   Add to cart

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Samenvatting Stappenplan gepaarde wilcoxon test SPSS

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Cursus inleiding in de statistiek: stappenplan gepaarde wilcoxon test SPSS

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  • January 16, 2023
  • 3
  • 2020/2021
  • Summary
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GEPAARDE WILCOXON TEST

• Gepaarde vergelijking
• Twee groepen
• Continue variabele
• Niet-parametrisch
• Rangen!
• = Wilcoxon matched-pairs signed-ranks-test
• vergelijking van twee gepaarde steekproeven/groepen
• continue variabelen
• gepaarde gegevens vergelijken kijken naar verschil tussen gepaarde waarnemingen
o ➔ één steekproef (van verschillen)
• Ideaal ALS voorwaarde ‘verschillen tussen de paren onderling zijn normaalverdeeld’ NIET
voldaan is
• Werkwijze




o




o
• Methode:
o Voor de analyse van een continue variabele tussen twee gepaarde groepen werd de
Wilcoxon Signed-Ranks test uitgevoerd. Er werd tweezijdig getest met alpha = 0.05.
• Resultaten:
o Op het einde van een lesdag lezen kinderen even goed in vergelijking met lezen bij
aanvang van een lesdag (Z =-1,680; p= 0,093)
o Z-waarde berekenen
• Grafisch voorstellen
• Tabel beschrijvende numerieke gegevens

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