navormingsmethodes en statistiek in de revalidatiewetenschappen
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Vrije Universiteit Brussel (VUB)
Revalidatiewetenschappen En Kinesitherapie
Navorsingsmethodes En Statistiek In De Revalidatiewetenschappen
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Statistiek
WPO 1-8
V o l l e d i g e s a m e n v a t t i n g s t a t i s t i e k
W P O
Kato Tratsaert
,1
,Navorsingsmethodes en statistiek: WPO 1
WPO 1: Intikken van data
STAP 1: data ingeven in SPSS
Vul de data eerst in bij data view
Ga dan naar variable view om de kolommen een naam te geven
Bij width kan je het aantal cijfers/letters aanpassen (verhogen of verlagen)
Bij variable view < geslacht < values < tik op 3 puntjes …< value = 1, label = man < ADD
value = 2, label = vrouw < ADD < OK
Missing value worden weergeven met 9999 ofwel wordt de cel leeg gelaten
Om missings weer te geven: variable view < kolom missing < tik op 3 puntjes …< discrete missing
values < 9999
2
,3
,STAP 2: Frequenties laten lopen
Analyze < descriptive statistics < frequenties < alles uit linker kolom selecteren en naar rechter kolom
slepen < statistics < minimum, maximum, gemiddelde en mediaan aanduiden < continue
=> Nieuw blad wordt geopend
Om na te gaan over sprake is van intypfouten vooral kijken naar minimum en maximum!
4
, STAP 3: Hoeveel proefpersonen doen er veel aan sport?
Data transformeren want kolom sport is geen numeriek gegeven!
• Veel = 4
• Matig = 3
• Weinig = 2
• Geen = 1
Transform < recode into different variables < sport < nieuwe naam: sportr < old and new variabeles <
value “veel” < new value “4” < add
Dit herhalen voor matig, weinig en geen.
=> je krijgt een nieuwe kolom met sportr
5
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