Samenvatting syntax 8

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DATASET ACTIVATE DataSet1.

*opm. vraag 1 nieuwe variabelen maken.
COMPUTE
average_studymotivation=MEAN.2(study_fun,study_interest,study_develop,stu
dy_master).
VARIABLE LABELS average_studymotivation 'Studymotivation'.
EXECUTE.

*opm. vraag 1 cronbach alpha uitrekenen.
RELIABILITY
/VARIABLES=average_studymotivation study_hours
/SCALE('ALL VARIABLES') ALL
/MODEL=ALPHA
/STATISTICS=DESCRIPTIVE
/SUMMARY=TOTAL MEANS.

*opm. vraag 2 scatterplot maken.
GRAPH
/SCATTERPLOT(BIVAR)=average_studymotivation WITH study_hours
/MISSING=LISTWISE.

*opm. vraag 5 regressie analyse maken voor studieuren en studiemotivatie.
REGRESSION
/MISSING LISTWISE
/STATISTICS COEFF OUTS R ANOVA
/CRITERIA=PIN(.05) POUT(.10)
/NOORIGIN
/DEPENDENT study_hours
/METHOD=ENTER average_studymotivation.


*opm. vraag 7 dummy maken.
USE ALL.
COMPUTE filter_$=(sex=1 OR sex=2).
VARIABLE LABELS filter_$ 'sex=1 OR sex=2 (FILTER)'.
VALUE LABELS filter_$ 0 'Not Selected' 1 'Selected'.
FORMATS filter_$ (f1.0).
FILTER BY filter_$.
EXECUTE.

*opm. vraag 7 dummy maken.
RECODE sex (1=0) (2=1) INTO sex2.
VARIABLE LABELS sex2 'sex2'.
EXECUTE.

*opm. vraag 7 crosstabs maken.
CROSSTABS
/TABLES=sex BY sex2
/FORMAT=AVALUE TABLES
/CELLS=COUNT
/COUNT ROUND CELL.


*opm. vraag 11 regressie analyse maken.
REGRESSION