GEN\HOME POSSESS\CALCULATOR
1 = yes
2 = no
6 = not applicable
8 = not admin.
9 = missing

*BOOKLET ID*
0 = no booklet was assigned
1 = booklet 1
2 = booklet 2
3 = booklet 3
4 = booklet 4
5 = booklet 5
6 = booklet 6
7 = booklet 7
8 = booklet 8

Speak English at Home
1 = always or almost always
2 = sometimes
3 = never
6 = not applicable
8 = not admin.
9 = missing

GEN\OUTSIDE SCHL\CLUBS PARTICIPATION
1 = no time
2 = less than 1 hour
3 = 1-2 hours
4 = 3-5 hours
5 = more than 5 hours
6 = not applicable
8 = not admin.
9 = missing

Highest ed level of Father
1 = <finish primary schl>
2 = <finish some secondary schl>
3 = <finish secondary schl>
4 = <some vocational education>
5 = <some university>
6 = <finish university>
7 = I don't know
96 = not applicable
98 = not admin.
99 = missing

GEN\# OF BOOKS IN STUDENT'S HOME
1 = 0-10 books
2 = 11-25 books
3 = 26-100 books
4 = 101-200 books
5 = more than 200 books
6 = not applicable
8 = not admin.
9 = missing

Like mathematics
1 = dislike a lot
2 = dislike
3 = like
4 = like a lot
6 = not applicable
8 = not admin.
9 = missing

Highest ed level of mother
1 = Finish primary school
2 = Finish some secondary school
3 = Finish secondary school
4 = Some vocational education
5 = Some university
6 = Finish university
7 = I don't know
96 = not applicable
98 = not admin.
99 = missing

0 = Male
1 = Female

Teacher shows how to do problems
1 = Never
2 = Once in a while
3 = Pretty often
4 = Almost always

Mother: important to do well in math
1 = Strongly disagree
2 = Disagree
3 = Agree
4 = Strongly agree

Usually Speak English at Home
0 = No
1 = Yes

100 from the first 300 cases (SAMPLE)
0 = Not Selected
1 = Selected