*Zmenšíme si data.
GET
  FILE='C:\Users\Jezek\Documents\DBOX\Výuka\PSY252\Data\EU '+
    'Kids\EU_Kids_FINALwDV_100511-all_missing-PSY252.sav'
  /KEEP QC104a to QC107b country sexchild agechild  .

*SDQ Strengths and difficulties questionnaire.

QC104c, QC104d, QC104e, QC104f, QC104g, QC105a, QC105b, QC105c, QC105d, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g

desc QC104c, QC104d, QC104e, QC104f, QC104g, QC105a, QC105b, QC105c, QC105d, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g.


RELIABILITY
  /VARIABLES=QC104c, QC104d, QC104e, QC104f, QC104g, QC105a, QC105b, QC105c, QC105d, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE CORR
  /SUMMARY=TOTAL CORR.






*Škála položek je 1,2,3 – dvě je nutné převrátit – preview RECODE.
recode QC105a QC105d QC104f
(1=3) (2=2) (3=1) into QC105aR, QC105dR QC104fR .
execute.

*s rekódovanýma.
QC104c, QC104d, QC104e, QC104fR, QC104g, QC105aR, QC105b, QC105c, QC105dR, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g


RELIABILITY
  /VARIABLES=QC104c, QC104d, QC104e, QC104fR, QC104g, QC105aR, QC105b, QC105c, QC105dR, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE CORR
  /SUMMARY=TOTAL CORR.


*Vybereme česko německo a portugalsko.
USE ALL.
COMPUTE filter_$=((country=5) | (country=6)  | (country=20)  ).
VARIABLE LABELS filter_$ '(country=5) | (country=6)  | (country=20)   (FILTER)'.
VALUE LABELS filter_$ 0 'Not Selected' 1 'Selected'.
FORMATS filter_$ (f1.0).
FILTER BY filter_$.
EXECUTE.

SORT CASES  BY country.
SPLIT FILE LAYERED BY country.


RELIABILITY
  /VARIABLES=QC104c, QC104d, QC104e, QC104fR, QC104g, QC105aR, QC105b, QC105c, QC105dR, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE CORR
  /SUMMARY=TOTAL CORR.


RELIABILITY
  /VARIABLES=QC104c, QC104d, QC104e, QC104fR, QC104g, QC105aR, QC105b, QC105c, QC105dR, QC105f, QC105g, QC105h, QC106a, QC106d, QC106e, QC106g
  /SCALE('ALL VARIABLES') ALL
  /MODEL=SPLIT
  /STATISTICS=DESCRIPTIVE SCALE CORR
  /SUMMARY=TOTAL CORR.