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Psychometrie - PM_exam 18 Aanpak/Uitwerkingen (Excel-bestand) $4.89   Add to cart
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Psychometrie - PM_exam 18 Aanpak/Uitwerkingen (Excel-bestand)

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  • Course
  • Psychometrie (SOWPSB2PS26N)
  • Institution
  • Radboud Universiteit Nijmegen (RU)

Psychometrie - PM_exam 18 Aanpak/Uitwerkingen (Excel-bestand). Bij het vak psychometrie aan de Radboud Universiteit zullen 29 tentamenvragen (van de 39) gebaseerd zijn op deze oefenapp. Dit is een uitleg/samenvatting over hoe ik elke vraag aanpak. De andere 10 vragen gaan over het boek van Gr...

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Document information

  • March 15, 2021
  • March 25, 2021
  • 6
  • 2020/2021
  • Other
  • Unknown

Subjects

  • oefenapp
  • excel
  • jules ellis
  • psychometrie
  • oefenvragen
  • tentamen
  • radboud
  • pmexam
  • pmexam 18

Written for

  • Radboud Universiteit Nijmegen (RU)
  • Psychologie
  • Psychometrie (SOWPSB2PS26N)
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Psychometrie – Uitwerkingen PM_Exam 18 oefenapp


Casus 1
1) Hoeveel variantie wordt er verklaard van de zesde manifeste variabele?
 Rapporteer de communaliteit van het 6e item.
 Haal deze uit de kolom Extraction in de tabel Communalities.


2) Hoeveel factoren moeten worden getrokken volgens het Guttman-Kaiser criterium?
 Rapporteer het aantal eigenwaardes groter dan 1.
 Haal dit uit de kolom Total bij Initial Eigenvalues in de tabel Total Variance Explained.


3) Wat is de lading van de vierde manifeste variabele op de eerste factor?
 Rapporteer de factorlading van het 4e item in de kolom van de 1e factor.
 Haal dit uit de tabel Factor Matrix.


4) De fit van het factormodel is (gebruik de RMSEA) …

χ2



RMSEA = df

2
√ −1
N −1
Haal χ en df uit de kolom Chi-Square in de tabel Goodness-of-fit Test.
 Haal N uit de kolom Analysis N in de tabel Descriptive Statistics.
 Conclusies:
o RMSEA < .05  goede fit.
o .05 < RMSEA < .08  acceptabele fit.
o RMSEA > .08  slechte fit.


5) Op grond van deze output is je conclusie (houd je hierbij aan de basisregels van het boek
van Ellis) …
 p > .05 of RMSEA < .08  Dan is het aantal factoren goed.
 Anders moeten er meer factoren getrokken worden.


6) Deze analyse is een …
 Staat in de Syntax ‘CRITERIA FACTORS’  Dan is het confirmatief.
 Staat in de Syntax ‘CRITERIA EIGENVALUES’  Dan is het exploratief.
 De extractiemethode staat onder de tabel Total Variance Explained.

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