Country ID - Numeric Code
36 = Australia
124 = Canada
152 = Chile
191 = Croatia
203 = Czech Republic
208 = Denmark
276 = Germany
344 = Hong Kong, SAR
376 = Israel
410 = Korea
440 = Lithuania
528 = Netherlands
578 = Norway
616 = Poland
643 = Russian Federation
703 = Slovak Republic
705 = Slovenia
756 = Switzerland
764 = Thailand
792 = Turkey
9132 = Ontario, Canada
9137 = Newfoundland and Labrador, Canada
32001 = Buenos Aires, Argentina

About You/Are you female or male
1 = Female
2 = Male
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

About You/How old are you
1 = Less than 25
2 = 25 - 29
3 = 30 - 39
4 = 40 - 49
5 = 50 - 59
6 = 60 or over
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

About You/Main subjects in school year/[Language arts test language]
1 = Marked
2 = Not Marked
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

About You/In the current school year, how many schools are you teaching in at [target grade]
1 = Only in this school
2 = In this and another school
3 = In this and in two other schools
4 = In this and in three or more other schools
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Use of ICT/Approximately how long have you been using computers for teaching purposes
1 = Never
2 = Less than two years
3 = Two years or more
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Use of ICT/How often do you use a computer in these settings/At school when teaching
1 = Never
2 = Less than once a month
3 = At least once a month but not every week
4 = At least once a week but not every day
5 = Every day
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your Use of ICT/How well can you do these tasks/Producing a letter using a word-processing program
1 = I know how to do this
2 = I could work out how to do this
3 = I do not think I could do this
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Which of the following best describes the subject for this reference class
1 = [Language arts: test language]
2 = [Language arts: foreign and other national languages]
3 = Mathematics
4 = Sciences (general science and/or physics, chemistry, biology, geology, earth sciences)
5 = Human sciences/Humanities (history, geography, civic and citizenship, law, economics etc.)
6 = Creative arts (visual arts, music, dance, drama etc.)
7 = [Information technology, computer studies or similar]
8 = Practical and vocational subjects (preparation for a specific occupation)
9 = Other (moral/ethics, physical education, home economics, personal and social development)
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

ICT and Teaching/Do you ever use ICT in the teaching and learning activities of the reference class
1 = Yes
2 = No
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Use the following tools in your teaching/Tutorial software or [practice programs]
1 = Never
2 = In some lessons
3 = In most lessons
4 = In every or almost every lesson
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Class uses ICT/Working on extended projects
1 = Never
2 = Sometimes
3 = Often
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

ICT and Teaching/Emphasis given to developing ICT-based capabilities/Accessing information efficiently
1 = Strong emphasis
2 = Some emphasis
3 = Little emphasis
4 = No emphasis
6 = Logically not applicable
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your School/Using ICT in teaching and learning/Enables students to access better sources of information
1 = Strongly agree
2 = Agree
3 = Disagree
4 = Strongly disagree
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

School base weight
999998 = Not applicable
999999 = Not stated

Jackknife replicate code - teacher study
98 = Not applicable
99 = Not stated

Final Participation Indicator– Teacher
1 = PARTICIPATED
2 = ABSENT
3 = Left School Permanently
4 = Left School Temporarily (long term)
5 = Not part of sample
8 = Not applicable
9 = Not stated

ICT experience in years for teaching
0 = Never
1 = Less than two years
2 = Two years or more
8 = Not applicable
9 = Not stated

Sex of teacher
0 = Male
1 = Female
8 = Not applicable
9 = Not stated

Use of specific ICT applications
998 = Not applicable
999 = Not stated

Hinderungsgründe für die IT-Nutzung/Für die Nutzung von Computern/zu wenige Computer vorhanden
1 = Marked
2 = Not Marked
8 = not presented/missing by design
9 = presented but not answered/invalid

Mobiles Lernen/Unterrichten Sie eine Laptopklasse?
1 = Yes
2 = No
8 = not presented/missing by design
9 = presented but not answered/invalid

Visionen und Innovationen/Schulvisionen/Gemeinsame Vision von Unterricht und guter Erziehung
1 = Trifft völlig zu
2 = Trifft eher zu
3 = Trifft eher nicht zu
4 = Trifft gar nicht zu
8 = not presented/missing by design
9 = presented but not answered/invalid

Visionen und Innovationen/Prioritäten/gemeinsame pädagogische Vision
1 = Hohe Priorität
2 = Mittlere Priorität
3 = Geringe Priorität
4 = Ziehe ich nicht in Betracht
8 = not presented/missing by design
9 = presented but not answered/invalid

ICT and Teaching/Emphasis given to developing ICT-based capabilities/Structuring Information
1 = Strong emphasis
2 = Some emphasis
3 = Little emphasis
4 = No emphasis
6 = logically not applicable
9 = presented but nor answered/invalid

1 = Förderschule
2 = Nicht-Gymnasium
3 = Gymnasium

Country ID - Alpha Code
ABA = Buenos Aires, Argentina
THA = Thailand
NLD = Netherlands
CHE = Switzerland
CZE = Czech Republic
HKG = Hong Kong, SAR
DNK = Denmark
SVK = Slovak Republic
CHL = Chile
CNL = Newfoundland and Labrador, Canada
POL = Poland
CAN = Canada
SVN = Slovenia
KOR = Korea
NOR = Norway
ISR = Israel
TUR = Turkey
AUS = Australia
RUS = Russian Federation
COT = Ontario, Canada
DEU = Germany
LTU = Lithuania
HRV = Croatia