COMMENT DATA FOR FIGURE 2.

SPLIT FILE BY YEAR.
DESCRIPTIVES VARIABLES=M3 M2 M1 P1 P2 P3
  /STATISTICS=MEAN STDDEV.
SPLIT FILE OFF.

COMMENT MAIN ANALYSIS.



GLM M3 M2 M1 P1 P2 P3 BY YEAR
  /WSFACTOR=LAG 6 Polynomial 
  /METHOD=SSTYPE(3)
  /PRINT=ETASQ 
  /CRITERIA=ALPHA(.05)
  /WSDESIGN=LAG 
  /DESIGN=YEAR.


COMMENT FOLLOW ON ANALYSIS OF ALL INDIVIDUALS MAKING PLUS 1 LAGS.


UNIANOVA P1 BY YEAR
  /METHOD=SSTYPE(3)
  /INTERCEPT=INCLUDE
  /PRINT=ETASQ
  /CRITERIA=ALPHA(.05)
  /DESIGN=YEAR.