*RECODE REVERSE-CODED ITEMS ON 1-5 SCALE.
recode dgi3 dgi6 dgi9 dgi11 dgi12 dgi15 dgi19 dgi21 dgi22 dgi23 dgi24 dgi25 dgi27 dgi32 dgi33 dgi34 dgi35 (1=5) (2=4) (3=3) (4=2) (5=1).
execute.

*COMPUTE SUMMARY SCORES.
compute dgi_food = dgi1+dgi6+dgi11+dgi16+dgi21+dgi26+dgi31.
compute dgi_phys = dgi2+dgi7+dgi12+dgi17+dgi22+dgi27+dgi32.
compute dgi_soc = dgi3+dgi8+dgi13+dgi18+dgi23+dgi28+dgi33.
compute dgi_money = dgi4+dgi9+dgi14+dgi19+dgi24+dgi29+dgi34.
compute dgi_ach = dgi5+dgi10+dgi15+dgi20+dgi25+dgi30+dgi35.
compute dgi_tot10 = dgi6+dgi14+dgi17+dgi18+dgi19+dgi23+dgi25+dgi26+dgi27+dgi30.
compute dgi_tot35 = dgi1+dgi2+dgi3+dgi4+dgi5+dgi6+dgi7+dgi8+dgi9+dgi10+dgi11+dgi12+dgi13+dgi14+dgi15+dgi16+dgi17+dgi18+dgi19+dgi20+dgi21+dgi22+dgi23+dgi24+dgi25+dgi26+dgi27+dgi28+dgi29+dgi30+dgi31+dgi32+dgi33+dgi34+dgi35.
execute.

*RUN RELIABILITY ANALYSES.
*Food alpha.
RELIABILITY
  /VARIABLES=dgi1 dgi6 dgi11 dgi16 dgi21 dgi26 dgi31
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*Physical alpha.
RELIABILITY
  /VARIABLES=dgi2 dgi7 dgi12 dgi17 dgi22 dgi27 dgi32
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*Social alpha.
RELIABILITY
  /VARIABLES=dgi3 dgi8 dgi13 dgi18 dgi23 dgi28 dgi33
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*Money alpha.
RELIABILITY
  /VARIABLES=dgi4 dgi9 dgi14 dgi19 dgi24 dgi29 dgi34
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*Achievement alpha.
RELIABILITY
  /VARIABLES=dgi5 dgi10 dgi15 dgi20 dgi25 dgi30 dgi35
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*10-item composite.
RELIABILITY
  /VARIABLES=dgi6 dgi14 dgi17 dgi18 dgi19 dgi23 dgi25 dgi26 dgi27 dgi30
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.
*35-item composite.
RELIABILITY
  /VARIABLES=dgi1 dgi2 dgi3 dgi4 dgi5 dgi6 dgi7 dgi8 dgi9 dgi10 dgi11 dgi12 dgi13 dgi14 dgi15 dgi16 dgi17 dgi18 dgi19 dgi20 dgi21 dgi22 dgi23 dgi24 dgi25 dgi26 dgi27 dgi28 dgi29 dgi30 dgi31 dgi32 dgi33 dgi34 dgi35
  /SCALE('ALL VARIABLES') ALL
  /MODEL=ALPHA
  /STATISTICS=DESCRIPTIVE SCALE
  /SUMMARY=TOTAL MEANS VARIANCE COV CORR.