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

Participation Status Questionnaire Session
1 = Participated
2 = Absent
3 = Left school permanently
4 = Parental Permission Denied
5 = Incompatible or failing equipment BEFORE assessment start
6 = Technical failure DURING assessment
7 = USB lost or upload failed AFTER assessment end
98 = Not applicable
99 = Not stated

Final Participation Indicator – Student
1 = Participated
2 = Absent
3 = Left School permanently
4 = Parental Permission Denied
5 = Excluded
6 = Not part of sample
7 = Incompatible or failing equipment BEFORE assessment start
8 = Technical failure DURING assessment
9 = USB lost or upload failed AFTER assessment end
98 = Not applicable
99 = Not stated

Schulform
1 = Förderschule
2 = Nicht-Gymnasium
3 = Gymnasium

Sonderpäd. Förderbedarf
0 = kein Förderbedarf
1 = Lernen
2 = Sehen
3 = Hören
4 = Sprache
5 = Körperliche und emotionale Entwicklung
6 = Geistige Entwicklung
7 = Emotionale und soziale Entwicklung
8 = Förderschwerpunktübergreifend
9 = Förderbedarf ist keinem Schwerpunkt zugeordnet
99 = Missing

Klassenwiederholer
0 = Nein = falsch
1 = Ja = wahr
9 = Missing

Erwarteter Schulabschluss
1 = Hauptschulabschluss
2 = Qualifizierter/Qualifizierender/Erweiterter Hauptschulabschluss
3 = Realschulabschluss/Mittlerer Schulabschluss
4 = Abitur/Fachabitur
996 = durch SK mit Kreuz oder Strich markiert
999 = Missing

Instrument-Nr. Papier-Testheft
1001 = Testheft

Instrument-Nr. Papier-Fragebogen
1010 = Schülerfragebogen

Teilnahmestatus Papier TH
A = abwesend
E = Elterngenehmigung fehlt
M = Schüler nahm an der Testung teil, aber es kam während der Prüfung zu technischen Problemen
T = teilgenommen
V = Schule verlassen
X = Schüler war anwesend, aber es gab technische Probleme vor Beginn der Testung

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

School base weight
999998 = Not applicable
999999 = Not stated

About you/When were you born/Month
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

About you/When were you born/Year
9997 = Default missing code
9998 = Not administered/missing by design
9999 = Presented but not answered/invalid

About you/Are you a girl or a boy
1 = Girl
2 = Boy
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

About you/Which of the following [levels of education] do you expect to complete
1 = [ISCED level 5A or 6]
2 = [ISCED level 4 or 5B]
3 = [ISCED level 3]
4 = [ISCED level 2]
5 = I do not expect to complete [ISCED level 2]
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your home and your family/In what country were you and your parents born/You
0 = <Another country/other countries>
1 = <Country of test>
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your home and your family/What language do you speak at home most of the time
0 = <Other language(s)>
1 = <Language of test>
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your home and your family/Does your mother or [female guardian] work in a paid job
1 = Yes
2 = No
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your home and your family/What is the [highest level of education] completed by your mother or [female guardian]
1 = <ISCED level 5A or 6>
2 = <ISCED level 4or 5B>
3 = <ISCED level 3>
4 = <ISCED level 2>
5 = She did not complete
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your home and your family/What is the [highest level of education] completed by your father or [male guardian]
1 = <ISCED level 5A or 6>
2 = <ISCED level 4or 5B>
3 = <ISCED level 3>
4 = <ISCED level 2>
5 = He did not complete
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your home and your family/About how many books are there in your home
1 = None or very few (0–10 books)
2 = Enough to fill one shelf (11 - 25 books)
3 = Enough to fill one bookcase (26 - 100 books)
4 = Enough to fill two bookcases (101 - 200 books)
5 = Enough to fill three or more bookcases (more than 200 books)
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your home and your family/How many computers are currently used in your home/Desktop computer
0 = 0
1 = 1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
8 = 8
9 = 9 or more
97 = Default missing code
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Your home and your family/What type of Internet connection do you mainly use in your home
1 = None
2 = Dial-up
3 = Broadband (for example [cable], [DSL], [satellite])
4 = Connection through mobile phone network
5 = I know we have Internet but I don't know what type of connection it is.
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your use of computers and the internet/How long have you been using computers
1 = Less than one year
2 = At least one year but less than three years
3 = At least three years but less than five years
4 = At least five years but less than seven years
5 = Seven years or more
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your use of computers and the internet/What computer operating system do you mainly use/At home
1 = Windows (PC)
2 = MAC OS
3 = Other
4 = I don't know
5 = I do not use a computer at this location
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your use of computers and the internet/How often do you use a computer in these places/At home
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 computers and the internet/How often use computers for school-related purposes/Preparing reports or essays
1 = Never
2 = Less than once a month
3 = At least once a month but not every week
4 = At least once a week
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your use of computers and the internet/How often use computers during lessons/[Language arts test language]
1 = Never
2 = In some lessons
3 = In most lessons
4 = In every or almost every lesson
5 = I don't study this subject / these subjects
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your use of computers and the internet/Who mainly taught you the following things/Communicating over the Internet
1 = I mainly taught myself
2 = My teachers
3 = My family
4 = My friends
5 = I have never learned this
7 = Default missing code
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Your thoughts about using computers/How well can you do/Search for and find a file on your computer
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

Your thoughts about using computers/Experience with computers/Important to me to work with a computer
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

Parental Occupation Code - Mother (Reliability) (Variable zur Anonymisierung aggregiert (FDZ))
6 = Skilled agricultural, forestry and fishery workers
8 = Plant and machine operators, and assemblers
11 = Chief Executives, Senior Officials and Legislators
13 = Production and Specialized Services Managers
14 = Hospitality, Retail and Other Services Managers
25 = Information and Communications Technology Professionals
26 = Legal, Social and Cultural Professionals
31 = Science and Engineering Associate Professionals
33 = Business and Administration Associate Professionals
34 = Legal, Social, Cultural and Related Associate Professionals
62 = Market-oriented Skilled Forestry, Fishery and Hunting Workers
63 = Subsistence Farmers, Fishers, Hunters and Gatherers
71 = Building and Related Trades Workers (excluding electricians)
72 = Metal, Machinery and Related Trades Workers
74 = Electrical and Electronics Trades Workers
75 = Food Processing, Woodworking, Garment and Other Craft and Related Trades Workers
92 = Agricultural, Forestry and Fishery Labourers
93 = Labourers in Mining, Construction, Manufacturing and Transport
95 = Street and Related Sales and Services Workers
96 = Refuse Workers and Other Elementary Workers
97 = Home duties/Social beneficiary (e.g. unemployed, retired, etc.)/'I don't know' and similar responses/Vague responses

Approximate number of books at home
998 = Not applicable
999 = Not stated

ISCED of father
0 = He/She did not complete [ISCED level 2]
1 = [ISCED level 2]
2 = [ISCED level 3]
3 = [ISCED level 4 or 5B]
4 = [ISCED level 5A or 6]
8 = Not applicable
9 = Not stated

Paid work status of father
0 = No
1 = Yes
8 = Not applicable
9 = Not stated

Home literacy index
0 = None or very few (0–10 books)
1 = Enough to fill one shelf (11 - 25 books)
2 = Enough to fill one bookcase (26 - 100 books)
3 = Enough to fill two bookcases (101 - 200 books)
4 = Enough to fill three or more bookcases (more than 200 books)
8 = Not applicable
9 = Not stated

Immigration status
0 = Students and/or at least one parent born in country of test
1 = Student born in country of test but both/only parent(s) born abroad
2 = Student and both/only parent(s) born abroad
8 = Not applicable
9 = Not stated

Expected ISCED by student
0 = I do not expect to complete [ISCED level 2]
1 = [ISCED level 2]
2 = [ISCED level 3]
3 = [ISCED level 4 or 5B]
4 = [ISCED level 5A or 6]
8 = Not applicable
9 = Not stated

ISCED of mother
0 = She did not complete [ISCED level 2]
1 = [ISCED level 2]
2 = [ISCED level 3]
3 = [ISCED level 4 or 5B]
4 = [ISCED level 5A or 6]
8 = Not applicable
9 = Not stated

Sex of student
0 = Boy
1 = Girl
8 = Not applicable
9 = Not stated

Test language spoken at home
1 = Language of test
2 = Other Language
8 = Not applicable
9 = Not stated

Country of birth - Student
1 = Non-immigrant students
2 = First-Generation students
3 = Immigrant students
8 = Not applicable
9 = Not stated

About you/Which of the following [levels of education] do you expect to complete
1 = Promotion (Doktortitel)
2 = Universitätsabschluss/Fachhochschulabschluss
3 = Abitur/Hochschulreife/Fachhochschulreife
4 = Abschluss Abendgymnasium/Fachoberschule/Berufsoberschule/Technische Oberschule
5 = Abschluss Berufsakademie/Verwaltungsfachhochschule/Fachschule
6 = Berufsschule/Berufsfachschule/Berufsgrundbildungsjahr
7 = Realschulabschluss/Hauptschulabschluss nach Klasse 10
8 = Hauptschulabschluss nach Klasse 9
9 = Abschluss einer Sonderschule/Förderschule
10 = Ich erwarte nicht, einen Schulabschluss zu erhalten.

Your home and your family/In what country were you and your parents born/You
1 = Deutschland
2 = ehemalige Sowjetunion (z.B. Russland, Ukraine, Weißruss-land)
3 = Türkei
4 = Polen
5 = in einem anderen europäischen Land
6 = in einem anderen nicht-europäischen Land

Your home and your family/What language do you speak at home most of the time
1 = Deutsch
2 = Eine Sprache der ehemaligen Sowjetunion (z.B. Russisch, Ukrainisch, Weißrussisch)
3 = Türkisch
4 = Polnisch
5 = Eine andere europäische Sprache
6 = Eine andere nicht-europäische Sprache

Your home and your family/What is the [highest level of education] completed by your mother or [female guardian]
1 = Promotion
2 = Universitätsabschluss/Fachhochschulabschluss
3 = Abitur/Hochschulreife/Fachhochschulreife
4 = Abschluss Abendgymnasium/Fachoberschule/Berufsschule/Technische Oberschule
5 = Abschluss Berufsakademie/Verwaltungsfachhochschule/Fachschule
6 = Berufsschule/ Berufsfachschule/Berufsgrundbildungsjahr
7 = Realschulabschluss/Polytechnische Oberschule nach Klasse 10
8 = Hauptschulabschluss/Polytechnische Oberschule nach Klasse 8/Volksschulabschluss
9 = Abschluss einer Sonderschule/Förderschule
10 = Sie ist ohne Abschluss von der Schule gegangen

Your home and your family/What is the [highest level of education] completed by your father or [male guardian]
1 = Promotion
2 = Universitätsabschluss/Fachhochschulabschluss
3 = Abitur/Hochschulreife/Fachhochschulreife
4 = Abschluss Abendgymnasium/Fachoberschule/Berufsschule/Technische Oberschule
5 = Abschluss Berufsakademie/Verwaltungsfachhochschule/Fachschule
6 = Berufsschule/ Berufsfachschule/Berufsgrundbildungsjahr
7 = Realschulabschluss/Polytechnische Oberschule nach Klasse 10
8 = Hauptschulabschluss/Polytechnische Oberschule nach Klasse 8/Volksschulabschluss
9 = Abschluss einer Sonderschule/Förderschule
10 = Er ist ohne Abschluss von der Schule gegangen

Frage 1a: Arbeit mit digitalen Medien 1.- 4. Klasse
1 = Immer oder fast immer
2 = Häufig
3 = Manchmal
4 = Nie oder selten
98 = nicht interpretierbar
99 = missing by intention

Frage 2: Gehst du in eine Laptopklasse
1 = Ja
2 = Nein
98 = nicht interpretierbar
99 = missing by intention

Frage 3a: Computernutzung - Informationen zu bestimmten Themen suchen
1 = Wichtig
2 = Eher wichtig
3 = Eher unwichtig
4 = Unwichtig
98 = nicht interpretierbar
99 = missing by intention

Frage 9a: Aussagenzustimmung - Unterhalte mich gerne mit Freunden über aktuelle Entwicklung bei Computern
1 = Stimmt ganz genau
2 = Stimmt eher
3 = Stimmt eher nicht
4 = Stimmt überhaupt nicht
98 = nicht interpretierbar
99 = missing by intention

Frage 11a: Wozu im Ganztagsangebot - um Dinge für Schulunterricht zu lernen
1 = Trifft zu
2 = Trifft eher zu
3 = Trifft eher nicht zu
4 = Trifft überhaupt nicht zu
100 = Hat in DEU10 "Nein" angekreuzt
101 = Hat in DEU10 "98" angekreuzt
102 = Hat in DEU10 "99" angekreuzt

Frage 12: Wie alt warst du, als du nach Deutschland gekommen bist (zur Anonymisierung aggregiert (FDZ))
1 = 0 bis einschliesslich 4 Jahre
2 = 5 bis einschliesslich 9 Jahre
3 = 10 bis einschliesslich 14 Jahre
4 = 15 Jahre und älter
98 = nicht interpretierbar
99 = missing by intention

Frage 16: Ist deine Mutter anderen bei der Arbeit vorgesetzt. Wie viele Personen arbeiten nach ihren Anweisungen
1 = Keine
2 = 1 bis 5 Personen
3 = 6 bis 10 Personen
4 = 10 bis 20 Personen
5 = Mehr als 20 Personen
98 = nicht interpretierbar
99 = missing by intention

Frage 22a: Dinge zu Hause - Mobiltelefon, Handy
1 = Keine
2 = Ein/e/en
3 = Zwei
4 = Drei oder mehr
98 = nicht interpretierbar
99 = missing by intention

Frage 23b01a1: Engagement - Im schulischen Bereich - Eine Veranstaltung organisiert
100 = Hat in DEU23a "Nein" angekreuzt
101 = Hat in DEU23a "98" angekreuzt
102 = Hat in DEU23a "99" angekreuzt

Frage 23b01a3: Engagement - Im schulischen Bereich - Eine Veranstaltung organisiert - hierfür regelmäßige Computer- oder Internetnutzung
1 = Ja
2 = Nein
100 = Hat in DEU23a "Nein" angekreuzt
101 = Hat in DEU23a "98" angekreuzt
102 = Hat in DEU23a "99" angekreuzt

Frage 23b02a1: Engagement - Im Bereich Sport - Eine Veranstaltung organisiert
0 = Nicht angekreuzt
1 = Angekreuzt
100 = Hat in DEU23a "Nein" angekreuzt
101 = Hat in DEU23a "98" angekreuzt
102 = Hat in DEU23a "99" angekreuzt

Email Recipient - [Female Name B]
0 = Not checked
1 = Checked
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Navigate to a URL given as plain text
0 = Incorrect
1 = Correct
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Public information
1 = First Name
2 = Gender
3 = Home Address
4 = Country
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Captcha
1 = to stop users from creating an account by mistake
2 = to make sure the account is being created by a human
3 = to stop users from creating multiple accounts
4 = to make sure the computer has the right software installed to create an account
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Sharing a document
0 = Incorrect
1 = Adds contact with specified sharing settings without saving
2 = Adds contact with specified sharing settings and saves
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Title - Role
0 = Non-prominent title design
1 = Prominent title position
2 = Prominent title design
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Images - Layout
0 = No control of image layout
1 = Basic control of image layout
2 = Clear control of image layout
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text - Information design (formatting and layout)
0 = Little or no control of text layout
1 = Basic control of text layout
2 = Clear control of text layout
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text - Contrast
0 = Little or no planning
1 = Some planning
2 = Careful planning
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Colour - Consistency
0 = Little or no planning
1 = Some planning
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Images - Selection
0 = No relevant image(s) selected
1 = Relevant image(s) selected
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information - Adaptation
0 = No information adapted
1 = Some information adapted
2 = All information adapted
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information - Quality
0 = No planned information
1 = Some planned information
2 = Clearly planned information
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Poster - Persuasiveness
0 = No or poor persuasive communication
1 = Persuasive communication
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Poster - Use of full page
0 = Does not use full page
1 = Uses full page
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Save as
0 = Incorrect
1 = Save as with incorrect file name (not default)
2 = Save as with correct file name
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Search term relevance
0 = Incorrect
1 = Search term matches topic
2 = Search term matches topic and audience
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Presentation title
0 = Content of title is inappropriate
1 = Content of title is appropriate
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text – Information design (distinction between headings and text body)
0 = Little or no control of layout
1 = Basic control of layout
2 = Clear control of layout
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text - Contrast
0 = Little or no contrast
1 = Inconsistent contrast
2 = Clear and consistent contrast
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Colour - Continuity
0 = Little or no planning
1 = Some continuity planning
2 = Careful continuity planning
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Images - Relevance
0 = No steps are clearly explained by images
1 = One step is clearly supported by images
2 = At least two steps are clearly supported by images
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Ideas - Completeness and sequencing
0 = Includes only one step of breathing or includes two to three steps in an incoherent sequence
1 = Includes two steps of breathing in a coherent sequence
2 = Includes three steps of breathing in a coherent sequence
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information - Accuracy
0 = Information provided contains inaccuracies
1 = Information provided is accurate
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information - Adaptation
0 = Information not adapted
1 = Some information adapted
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Password security
0 = Incorrect
1 = Correct with reference to guessing/cracking password
2 = Correct with reference to broader character set
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Navigation analysis
1 = Template 1
2 = Template 2
3 = Template 3
4 = Template 4
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Logo - Use
0 = Absent
1 = Inappropriate focus
2 = Appropriate focus
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Band name - Use
0 = Non-prominent band name
1 = Prominent band name position
2 = Prominent band name
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text - Readability (layout/formatting)
0 = Difficult to read
1 = Partially legible
2 = Clear and legible
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Text - Contrast
0 = Difficult to read
1 = Some text and titles clear and legible
2 = All text and titles clear and legible
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Band description text
0 = Complete band description text not added
1 = Complete band description text added
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Band photo and description - Use
0 = Unclear focus or poor layout
1 = Present but unbalanced
2 = Clear and complementary
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Webpage - Layout/alignment
0 = Inappropriate layout/alignment of whole webpage
1 = Appropriate layout/alignment of whole webpage
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Filtering
0 = Data is not filtered by any criteria
1 = Data is filtered by one criterion
2 = Data is filtered by two criteria
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Spreadsheet formulas
1 = [Sum](C5+C8)
2 = [Sum](C5:C8)
3 = [Sum](C5,C6,C7,C8)
4 = [Sum](Train ticket+Lunch+Walking Tour 3+Heritage Museum)
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Search result analysis
1 = Yes
2 = No
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Choosing search results
1 = Search Result 1(Name)
2 = Search Result 1(URL)
3 = Search Result 2(Name)
4 = Search Result 2(URL)
5 = Search Result 3(Name)
6 = Search Result 3(URL)
7 = Search Result 4(Name)
8 = Search Result 4(URL)
9 = Search Result 5(Name)
10 = Search Result 5(URL)
11 = Search Result 6(Name)
12 = Search Result 6(URL)
13 = Search Result 7(Name)
14 = Search Result 7(URL)
15 = Search Result 8(Name)
16 = Search Result 8(URL)
17 = Search Result 9(Name)
18 = Search Result 9(URL)
19 = Search Result 10(Name)
20 = Search Result 10(URL)
21 = Search Result 11(Name)
22 = Search Result 11(URL)
97 = Not reached
98 = Not administered/missing by design
99 = Presented but not answered/invalid

Appropriate times
0 = Appropriate times are not included
1 = Appropriate times are included
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Appropriate costs
0 = Appropriate costs are not included
1 = Appropriate costs are included (without total)
2 = Total cost is included
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Map Route - Accuracy
0 = Map route inaccurate
1 = Map route goes to Museum only
2 = Map route is mostly accurate
3 = Map route is perfectly accurate
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information – Location and relevance
0 = Irrelevant information included
1 = Only relevant information included but not adapted
2 = Relevant information included and adapted
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Information sheet – Layout
0 = No control of layout
1 = Basic control of layout
2 = Clear control of layout
7 = Not reached
8 = Not administered/missing by design
9 = Presented but not answered/invalid

Timing A01
9997 = Not reached
9998 = Not administered/missing by design
9999 = Presented but not answered/invalid

KFT Wortanalogien V3 Form A Item 01
1 = Antwort 1 wurde angekreuzt
2 = Antwort 2 wurde angekreuzt
3 = Antwort 3 wurde angekreuzt*
4 = Antwort 4 wurde angekreuzt
5 = Antwort 5 wurde angekreuzt
96 = missing not reached
98 = nicht interpretierbar
99 = missing by intention

KFT Wortanalogien V3 Form A Item 02
1 = Antwort 1 wurde angekreuzt
2 = Antwort 2 wurde angekreuzt
3 = Antwort 3 wurde angekreuzt
4 = Antwort 4 wurde angekreuzt
5 = Antwort 5 wurde angekreuzt*
96 = missing not reached
98 = nicht interpretierbar
99 = missing by intention

KFT Wortanalogien V3 Form A Item 03
1 = Antwort 1 wurde angekreuzt
2 = Antwort 2 wurde angekreuzt*
3 = Antwort 3 wurde angekreuzt
4 = Antwort 4 wurde angekreuzt
5 = Antwort 5 wurde angekreuzt
96 = missing not reached
98 = nicht interpretierbar
99 = missing by intention

KFT Wortanalogien V3 Form A Item 04
1 = Antwort 1 wurde angekreuzt
2 = Antwort 2 wurde angekreuzt
3 = Antwort 3 wurde angekreuzt
4 = Antwort 4 wurde angekreuzt*
5 = Antwort 5 wurde angekreuzt
96 = missing not reached
98 = nicht interpretierbar
99 = missing by intention

KFT Wortanalogien V3 Form A Item 05
1 = Antwort 1 wurde angekreuzt*
2 = Antwort 2 wurde angekreuzt
3 = Antwort 3 wurde angekreuzt
4 = Antwort 4 wurde angekreuzt
5 = Antwort 5 wurde angekreuzt
96 = missing not reached
98 = nicht interpretierbar
99 = missing by intention

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

Parental Occupation Code - Mother (Reliability) (Variable zur Anonymisierung geleert (FDZ))
6 = Skilled agricultural, forestry and fishery workers
8 = Plant and machine operators, and assemblers
11 = Chief executives, senior officials and legislators
31 = Science and engineering associate professionals
71 = Building and related trades workers, excluding electricians
62 = Market-oriented skilled forestry, fishery and hunting workers
72 = Metal, machinery and related trades workers
92 = Agricultural, forestry and fishery labourers
13 = Production and specialised services managers
33 = Business and administration associate professionals
63 = Subsistence farmers, fishers, hunters and gatherers
93 = Labourers in mining, construction, manufacturing and transport
14 = Hospitality, retail and other services managers
34 = Legal, social, cultural and related associate professionals
74 = Electrical and electronic trades workers
25 = Information and communications technology professionals
75 = Food processing, wood working, garment and other craft and related trades workers
95 = Street and related sales and service workers
26 = Legal, social and cultural professionals
96 = Refuse workers and other elementary workers
211 = Physical and earth science professionals
311 = Physical and engineering science technicians
511 = Travel attendants, conductors and guides
711 = Building frame and related trades workers
811 = Mining and mineral processing plant operators
911 = Domestic, hotel and office cleaners and helpers
121 = Business services and administration managers
421 = Tellers, money collectors and related clerks
721 = Sheet and structural metal workers, moulders and welders, and related workers
921 = Agricultural, forestry and fishery labourers
131 = Production managers in agriculture, forestry and fisheries
231 = University and higher education teachers
331 = Financial and mathematical associate professionals
831 = Locomotive engine drivers and related workers
341 = Legal, social and religious associate professionals
741 = Electrical equipment installers and repairers
251 = Software and applications developers and analysts
351 = Information and communications technology operations and user support technicians
751 = Food processing and related trades workers
312 = Mining, manufacturing and construction supervisors
712 = Building finishers and related trades workers
812 = Metal processing and finishing plant operators
912 = Vehicle, window, laundry and other hand cleaning workers
122 = Sales, marketing and development managers
322 = Nursing and midwifery associate professionals
722 = Blacksmiths, toolmakers and related trades workers
132 = Manufacturing, mining, construction, and distribution managers
532 = Personal care workers in health services
742 = Electronics and telecommunications installers and repairers
752 = Wood treaters, cabinet-makers and related trades workers
713 = Painters, building structure cleaners and related trades workers
813 = Chemical and photographic products plant and machine operators
223 = Traditional and complementary medicine professionals
323 = Traditional and complementary medicine associate professionals
133 = Information and communications technology service managers
633 = Subsistence mixed crop and livestock farmers
243 = Sales, marketing and public relations professionals
343 = Artistic, cultural and culinary associate professionals
314 = Life science technicians and related associate professionals
514 = Hairdressers, beauticians and related workers
814 = Rubber, plastic and paper products machine operators
234 = Primary school and early childhood teachers
634 = Subsistence fishers, hunters, trappers and gatherers
315 = Ship and aircraft controllers and technicians
815 = Textile, fur and leather products machine operators
216 = Architects, planners, surveyors and designers
816 = Food and related products machine operators
817 = Wood processing and papermaking plant operators
818 = Other stationary plant and machine operators
2310 = University and higher education teachers
2230 = Traditional and complementary medicine professionals
3230 = Traditional and complementary medicine associate professionals
1330 = Information and communications technology service managers
6330 = Subsistence mixed crop and livestock farmers
6340 = Subsistence fishers, hunters, trappers and gatherers
8160 = Food and related products machine operators
3111 = Chemical and physical science technicians
3211 = Medical imaging and therapeutic equipment technicians
1311 = Agricultural and forestry production managers
3311 = Securities and finance dealers and brokers
3511 = Information and communications technology operations technicians
7511 = Butchers, fishmongers and related food preparers
7221 = Blacksmiths, hammersmiths and forging press workers
9621 = Messengers, package deliverers and luggage porters
2131 = Biologists, botanists, zoologists and related professionals
8131 = Chemical products plant and machine operators
1431 = Sports, recreation and cultural centre managers
7531 = Tailors, dressmakers, furriers and hatters
3141 = Life science technicians (excluding medical)
8341 = Mobile farm and forestry plant operators
5151 = Cleaning and housekeeping supervisors in offices, hotels and other establishments
8151 = Fibre preparing, spinning and winding machine operators
5161 = Astrologers, fortune-tellers and related workers
8112 = Mineral and stone processing plant operators
9112 = Cleaners and helpers in offices, hotels and other establishments
3212 = Medical and pathology laboratory technicians
4212 = Bookmakers, croupiers and related gaming workers
8212 = Electrical and electronic equipment assemblers
1312 = Aquaculture and fisheries production managers
4312 = Statistical, finance and insurance clerks
8312 = Railway brake, signal and switch operators
3512 = Information and communications technology user support technicians
7512 = Bakers, pastry-cooks and confectionery makers
8122 = Metal finishing, plating and coating machine operators
1222 = Advertising and public relations managers
6222 = Inland and coastal waters fishery workers
3422 = Sports coaches, instructors and officials
7422 = Information and communications technology installers and servicers
2622 = Librarians and related information professionals
2132 = Farming, forestry and fisheries advisers
3132 = Incinerator and water treatment plant operators
9332 = Drivers of animal-drawn vehicles and machinery
7532 = Garment and related pattern-makers and cutters
2632 = Sociologists, anthropologists and related professionals
3252 = Medical records and health information technicians
9703 = Social beneficiary (e.g. unemployed, retired, etc.)
6113 = Gardeners, horticultural and nursery growers
7113 = Stonemasons, stone cutters, splitters and carvers
8113 = Well drillers and borers and related workers
4413 = Coding, proof-reading and related clerks
7413 = Electrical line installers and repairers
3513 = Computer network and systems technicians
7223 = Metal working machine tool setters and operators
3423 = Fitness and recreation instructors and program leaders
7523 = Woodworking-machine tool setters and operators
9623 = Meter readers and vending-machine collectors
7233 = Agricultural and industrial machinery mechanics and repairers
2433 = Technical and medical sales professionals (excluding ICT)
2633 = Philosophers, historians and political scientists
8343 = Crane, hoist and related plant operators
7543 = Product graders and testers (excluding foods and beverages)
2643 = Translators, interpreters and other linguists
3153 = Aircraft pilots and related associate professionals
2263 = Environmental and occupational health and hygiene professionals
8183 = Packing, bottling and labelling machine operators
1114 = Senior officials of special-interest organizations
7114 = Concrete placers, concrete finishers and related workers
8114 = Cement, stone and other mineral products machine operators
3214 = Medical and dental prosthetic technicians
3314 = Statistical, mathematical and related associate professionals
7224 = Metal polishers, wheel grinders and tool sharpeners
1324 = Supply, distribution and related managers
2424 = Training and staff development professionals
3134 = Petroleum and natural gas refining plant operators
3334 = Real estate agents and property managers
2434 = Information and communications technology sales professionals
7544 = Fumigators and other pest and weed controllers
8154 = Bleaching, dyeing and fabric cleaning machine operators
2654 = Film, stage and related directors and producers
7315 = Glass makers, cutters, grinders and finishers
3435 = Other artistic and cultural associate professionals
2635 = Social work and counselling professionals
3155 = Air traffic safety electronics technicians
8155 = Fur and leather preparing machine operators
7316 = Sign writers, decorative painters, engravers and etchers
7516 = Tobacco preparers and tobacco products makers
2146 = Mining engineers, metallurgists and related professionals
1346 = Financial and insurance services branch managers
8156 = Shoemaking and related machine operators
2656 = Announcers on radio, television and other media
7317 = Handicraft workers in wood, basketry and related materials
7127 = Air conditioning and refrigeration mechanics
3257 = Environmental and occupational health inspectors and associates
7318 = Handicraft workers in textile, leather and related materials
3119 = Physical and engineering science technicians not elsewhere classified
7119 = Building frame and related trades workers not elsewhere classified
1219 = Business services and administration managers not elsewhere classified
7319 = Handicraft workers not elsewhere classified
4419 = Clerical support workers not elsewhere classified
5419 = Protective services workers not elsewhere classified
2519 = Software and applications developers and analysts not elsewhere classified
2619 = Legal professionals not elsewhere classified
6129 = Animal producers not elsewhere classified
4229 = Client information workers not elsewhere classified
5329 = Personal care workers in health services not elsewhere classified
9329 = Manufacturing labourers not elsewhere classified
2529 = Database and network professionals not elsewhere classified
9629 = Elementary workers not elsewhere classified
3139 = Process control technicians not elsewhere classified
3339 = Business services agents not elsewhere classified
1439 = Services managers not elsewhere classified
2149 = Engineering professionals not elsewhere classified
1349 = Professional services managers not elsewhere classified
7549 = Craft and related workers not elsewhere classified
8159 = Textile, fur and leather products machine operators not elsewhere classified
3259 = Health associate professionals not elsewhere classified
2359 = Teaching professionals not elsewhere classified
3359 = Regulatory government associate professionals not elsewhere classified
2659 = Creative and performing artists not elsewhere classified
5169 = Personal services workers not elsewhere classified
2269 = Health professionals not elsewhere classified
8189 = Stationary plant and machine operators not elsewhere classified

Frage 12: Wie alt warst du, als du nach Deutschland gekommen bist (Variable zur Anonymisierung geleert (FDZ))
98 = nicht interpretierbar
99 = missing by intention

Frage 23b01a2: Engagement - Im schulischen Bereich - Eine Veranstaltung organisiert - Zeit pro Monat
9998 = nicht interpretierbar
9999 = missing by intention