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Samenvatting 2.5 - Statistiek - Psychometrie - Worked Examples - Uitgewerkt

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Samenvatting van alle onderdelen van de worked examples van jaar 2 psychologie blok 2.5. Ingedeeld op SPSS-stappen, alle formules die aanbod kwamen en de bijbehorende theorie. Er is aangegeven met kleurtjes waar het vandaan komt mocht je het nog even zelf willen proberen.

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Worked example – H3
SPSS-technieken:
Beschrijven distributie
1. Analyze  Descriptive Statistics  Explore.
2. Plots: histogram, Normality plots with tests.

Z-score
1. Analyze  Descriptive Statistics  Descriptives
2. Save standardized variables to calculate Z-scores.

T-score
1. Transform  Compute  RND(SD×Z+M).
Percentiel
1. Analyze  descriptive statistics  explore  T bij dependent  statistics:
percentielen  paste
2. Syntax: percentile aangeven
P-waarden
1. Transform  compute  CDF.NORMAL (variable, 0, 1)
Percentiel
1. Transform  Rank Cases  Rank types: fractional rank as %.
Genormaliseerde scores
1. Transform  rank cases  rank types: normale score  proportion estimates
formula: rankit
Formules:
T-score: T = z × s + 𝑥̅
Leerstof:
T is gebaseerd op een normale verdeling, percentielen op de rauwe data.
P-waarden: kans in de populatie. Waarde gaat uit van een normaalverdeling (zie Z-tabel)
Percentiel: verdeling data, zegt niks over kans! Niet persé normaal verdeeld.
T-norm is gebaseerd op percentielen, t-score is gebaseerd op z-scores van de ruwe data

Blauw = deelopdracht 1
Roze = deelopdracht 2
Groen = deelopdracht 3

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Uploaded on
March 10, 2017
File latest updated on
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Number of pages
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Written in
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Type
SUMMARY

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Best cwortelboer, shame you do not find the summary fine. I have so far only had positive reactions so would like to know what you think not so nice about it. Maybe I can improve for the next summaries. Greetings Manon

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