DATASET ACTIVATE DataSet1.
COMPUTE generace=2015-vek.
EXECUTE.

FILTER OFF.
USE ALL.
SELECT IF (generace < 1997 & generace > 1964).
EXECUTE.

RECODE generace (1965 thru 1980=1) (1981 thru 1996=2) INTO gen.
VARIABLE LABELS  gen 'gen kategorie x y'.
EXECUTE.

T-TEST GROUPS=gen(1 2)
  /MISSING=ANALYSIS
  /VARIABLES=q2_1 q2_2 q2_3 q2_4 q2_5 q2_6 q2_7 q2_8 q2_9
  /CRITERIA=CI(.95).