FACTOR
  /VARIABLES school1 school2 school3 school4 school5 school6 school7 school8
  school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7 phys8 appear1
  appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1 opsex2 opsex3
  opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4 ssex5 ssex6 ssex7
  ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5 parent6 parent7
  parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8 emot9 emot10
 /MISSING LISTWISE /ANALYSIS school1 school2 school3 school4 school5 school6
  school7 school8 school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7
  phys8 appear1 appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1
  opsex2 opsex3 opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4
  ssex5 ssex6 ssex7 ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5
  parent6 parent7 parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8
  emot9 emot10
  /PRINT CORRELATION KMO AIC EXTRACTION ROTATION
  /FORMAT SORT BLANK(.2)
  /PLOT EIGEN
  /CRITERIA MINEIGEN(1) ITERATE(25)
  /EXTRACTION PC
  /CRITERIA ITERATE(25)
  /ROTATION VARIMAX
  /METHOD=CORRELATION .


* 7 factors.

FACTOR
  /VARIABLES school1 school2 school3 school4 school5 school6 school7 school8
  school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7 phys8 appear1
  appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1 opsex2 opsex3
  opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4 ssex5 ssex6 ssex7
  ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5 parent6 parent7
  parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8 emot9 emot10
 /MISSING LISTWISE /ANALYSIS school1 school2 school3 school4 school5 school6
  school7 school8 school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7
  phys8 appear1 appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1
  opsex2 opsex3 opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4
  ssex5 ssex6 ssex7 ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5
  parent6 parent7 parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8
  emot9 emot10
  /PRINT ROTATION
  /FORMAT SORT BLANK(.2)
  /CRITERIA FACTORS(7) ITERATE(25)
  /EXTRACTION PC
  /CRITERIA ITERATE(25)
  /ROTATION VARIMAX
  /METHOD=CORRELATION .

* Split output by gender.

SORT CASES BY sex .
SPLIT FILE
  SEPARATE BY sex .

FACTOR
  /VARIABLES school1 school2 school3 school4 school5 school6 school7 school8
  school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7 phys8 appear1
  appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1 opsex2 opsex3
  opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4 ssex5 ssex6 ssex7
  ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5 parent6 parent7
  parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8 emot9 emot10
 /MISSING LISTWISE /ANALYSIS school1 school2 school3 school4 school5 school6
  school7 school8 school9 school10 phys1 phys2 phys3 phys4 phys5 phys6 phys7
  phys8 appear1 appear2 appear3 appear4 appear5 appear6 appear7 appear8 opsex1
  opsex2 opsex3 opsex4 opsex5 opsex6 opsex7 opsex8 ssex1 ssex2 ssex3 ssex4
  ssex5 ssex6 ssex7 ssex8 ssex9 ssex10 parent1 parent2 parent3 parent4 parent5
  parent6 parent7 parent8 emot1 emot2 emot3 emot4 emot5 emot6 emot7 emot8
  emot9 emot10
  /PRINT ROTATION
  /FORMAT SORT BLANK(.2)
  /CRITERIA FACTORS(7) ITERATE(25)
  /EXTRACTION PC
  /CRITERIA ITERATE(25)
  /ROTATION VARIMAX
  /METHOD=CORRELATION .