school type
1 = secondary
2 = community
3 = vocational

school location
1 = urban
2 = rural

1 = male
2 = female

income level
1 = high
2 = medium
3 = low

vocabulary
1 = bad
2 = poor
3 = good
4 = excellent

use of language
1 = never
2 = little
3 = regular

aural discrimination
1 = none
2 = poor
3 = ok
4 = good
5 = very good

aural comprehension
1 = none
2 = poor
3 = good

attitude to learning Irish
1 = negative
2 = neutral
3 = positive

integrative orientation
1 = none
2 = poor
3 = ok
4 = good

motivational intensity
1 = none
2 = little
3 = some
4 = lots