Country ID - Numeric ISO Code
9999999999 = Omitted or invalid

Population ID
1 = Population 1
9 = Omitted or invalid

Standardized Grade ID
1 = Lower Grade
2 = Upper Grade
9 = Omitted or invalid

Grade ID
4 = Grade Four
9 = Omitted or Invalid

Student Wave Indicator
1 = Spring 2021
2 = Fall 2021
3 = Spring 2022
9 = Omitted or invalid

Parent Participation Status Indicator
1 = Not participated
2 = Not participated, instrument lost
3 = Participated
9 = Omitted or invalid

GEN\HOW OFTEN\READ BOOKS
1 = Often
2 = Sometimes
3 = Never or almost never
9 = Omitted or invalid

GEN\CHILD BORN IN <COUNTRY>
1 = Yes
2 = No
9 = Omitted or invalid

GEN\AGE OF CHILD WHEN CAME TO <COUNTRY>
1 = Younger than 3 years old
2 = 3 to 5 years old
3 = 6 to 7 years old
4 = 8 years old or older
6 = Logically not applicable
9 = Omitted or invalid

GEN\HOW OFTEN <LANG OF TEST> AT HOME
1 = Always
2 = Almost always
3 = Sometimes
4 = Never
9 = Omitted or invalid

GEN\HOW LONG ATTENDED PROGRAMS
1 = Less than 1 year
2 = 1 year
3 = 2 years
4 = 3 years
5 = 4 years or more
6 = Logically not applicable
9 = Omitted or invalid

GEN\AGE OF CHILD BEGINNING SCHOOL
1 = 5 years old or younger
2 = 6 years old
3 = 7 years old
4 = 8 years old or older
9 = Omitted or invalid

GEN\SKILLS\RECOGNIZE LETTERS
1 = Very well
2 = Moderately well
3 = Not very well
4 = Not at all
9 = Omitted or invalid

GEN\AGREE\INCLUDED IN CHILDS EDU
1 = Agree a lot
2 = Agree a little
3 = Disagree a little
4 = Disagree a lot
9 = Omitted or invalid

GEN\TIME READING A WEEK
1 = Less than one hour a week
2 = 1–5 hours a week
3 = 6–10 hours a week
4 = More than 10 hours a week
9 = Omitted or invalid

GEN\READ FOR OWN ENJOYMENT
1 = Every day or almost every day
2 = Once or twice a week
3 = Once or twice a month
4 = Never or almost never
9 = Omitted or invalid

GEN\AMOUNT OF BOOKS AT HOME
1 = 0–10
2 = 11–25
3 = 26–100
4 = 101–200
5 = More than 200
9 = Omitted or invalid

GEN\AMOUNT OF BOOKS FOR CHILDREN AT HOME
1 = 0–10
2 = 11–25
3 = 26–50
4 = 51–100
5 = More than 100
9 = Omitted or invalid

GEN\LVL OF EDUCATION\GUARDIAN A
1 = Did not go to school
2 = Some <Primary education—ISCED Level 1 or Lower secondary education—ISCED Level 2>
3 = <Lower secondary education—ISCED Level 2>
4 = <Upper secondary education—ISCED Level 3>
5 = <Post-secondary, non-tertiary education— ISCED Level 4>
6 = <Short-cycle tertiary education—ISCED Level 5>
7 = <Bachelor’s or equivalent level—ISCED Level 6>
8 = <Master’s or equivalent level—ISCED Level 7>
9 = <Doctor or equivalent level—ISCED Level 8>
10 = Not applicable
99 = Omitted or invalid

GEN\WHAT KIND OF MAIN JOB\GUARDIAN A
1 = Has never worked for pay
2 = Small Business Owner Includes owners of small businesses (fewer than 25 employees) such as retail shops, services, resta
3 = Clerical Worker Includes office clerks; secretaries; data entry operators; customer service clerks
4 = Service or Sales Worker Includes travel attendants; restaurant service workers; personal care workers; protective servic
5 = Skilled Agricultural or Fishery Worker Includes farmers; forestry workers; fishery workers
6 = Craft or Trade Worker Includes builders, carpenters, plumbers, electricians, metal workers; machine mechanics; handicraf
7 = Plant or Machine Operator Includes plant and machine operators; assembly-line operators; motor-vehicle drivers
8 = General Laborers Includes domestic helpers and cleaners; building caretakers; messengers, porters, and doorkeepers; farm
9 = Corporate Manager or Senior Official Includes corporate managers such as managers of large companies (25 or more employe
10 = Professional Includes scientists; mathematicians; computer scientists; architects; engineers; life science and health pr
11 = Technician or Associate Professional Includes science, engineering, and computer associates and technicians; life scienc
12 = Not applicable
99 = Omitted or invalid

GEN\LANGUAGE SPOKEN\<LANGUAGE OF TEST>\GUARDIAN A
1 = Yes
2 = No
6 = Logically not applicable
9 = Omitted or invalid

COV\LEARNING PROGRESS AFFECTED
1 = A lot
2 = Somewhat
3 = Not at all
6 = Logically not applicable
9 = Omitted or invalid

HOME RESOURCES FOR LEARNING/SCL
999999 = Omitted or invalid

HOME RESOURCES FOR LEARNING/IDX
1 = Many Resources
2 = Some Resources
3 = Few Resources
9 = Omitted or invalid

HOME SOCIOECONOMIC STATUS/IDX
1 = Higher
2 = Middle
3 = Lower
9 = Omitted or invalid

EARLY LITERACY TASKS/IDX
1 = Very Well
2 = Moderately Well
3 = Not Well
9 = Omitted or invalid

PARENTS PERCEPTIONS OF CHILD SCHOOL/IDX
1 = Very Satisfied
2 = Somewhat Satisfied
3 = Less than Satisfied
9 = Omitted or invalid

PARENTS LIKE READING/IDX
1 = Very Much Like
2 = Somewhat Like
3 = Do Not Like
9 = Omitted or invalid

STUDENT ATTENDED PRESCHOOL
1 = Did Not Attend
2 = 1 Year or Less
3 = 2 Years
4 = 3 Years or More
9 = Omitted or invalid

PARENTS' HIGHEST EDUCATION LEVEL
1 = University or Higher
2 = Post-secondary but not University
3 = Upper Secondary
4 = Lower Secondary
5 = Some Primary, Lower Secondary or No School
6 = Not Applicable
9 = Omitted or invalid

PARENTS' HIGHEST OCCUPATION LEVEL
1 = Professional
2 = Small Business Owner
3 = Clerical
4 = Skilled Worker
5 = General Laborer
6 = Never Worked for Pay
7 = Not Applicable
9 = Omitted or invalid

COV\HOMEBASED LEARNING\READING ASSIGNMENTS
1 = daily or almost daily
2 = at least 1 time per week
3 = less frequently than 1 time per week
4 = never
9 = Omitted or invalid

COV\ADDITIONAL RESOURCES\READING TIME\ON DIGITAL DEVICES
1 = daily or almost daily
2 = at least 1 time per week
3 = less frequently than 1 time per week
4 = never or almost never
9 = Omitted or invalid

MOTHER
1 = Checked
9 = Omitted or invalid

GEN\LVL OF EDUCATION A\CHILD
1 = leave school without degree
2 = graduation at "Hauptschule"
3 = graduation at "Realschule"
4 = technical college maturity
5 = graduation from high school ("Abitur")
9 = Omitted or invalid

GEN\LVL OF EDUCATION B\CHILD
6 = Will not achieve a professional degree
7 = completion of apprenticeship training
8 = technical college degree
9 = university degree at Bachelor level or equivalent
10 = university degree at Master level or equivalent
11 = doctorate
99 = Omitted or invalid

GEN\AGE OF CHILD BEGINNING SCHOOL\YEARS
99 = Omitted or invalid

GEN\COUNTRY OF CHILD BEGINNING SCHOOL
1 = Germany
2 = In another country
9 = Omitted or invalid

Weibliche Betreuungsperson
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Ja
2 = Nein

Geburtsland Vater
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Deutschland
2 = In einem anderen Land

Geburtsland Vater, und zwar (zur Anonymisierung geleert (FDZ))
nicht bearbeitbar
nicht valide
keine Angabe

Kinder im Haushalt juenger als 14
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = 1
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = 7
8 = 8
9 = 9
10 = 10 und mehr

Schule naechstes Schuljahr
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Grundschule (Klassenwiederh.)
2 = Grundschule (5. Jahrgang.)
3 = Haupt-/ Werkreal-/ Mittelschule
4 = Realschule
5 = Gymnasium
6 = Integrierte Gesamtschule
7 = Kooperative Gesamtschule
8 = Schule mit zwei Bildungsgaengen
9 = Schule mit drei Bildungsgaengen
10 = Sonder-/Foerderschule
11 = andere Schulform

Zukuenftige Schule ist- staatlich oder privat
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = staatlich
2 = privat

Informationen ueber die Leistungen Ihres Kindes im Lesen
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Oefter als zweimal im Schuljahr
2 = Zweimal im Schuljahr
3 = Einmal im Schuljahr
4 = Nie

Foerderung der Lesekompetenz Ihres Kindes
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Sehr zufrieden
2 = Eher zufrieden
3 = Eher unzufrieden
4 = Sehr unzufrieden

In Rechtschreibung
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Ja, regelmaessig
2 = Ja, gelegentlich
3 = Nein, nie

kann Kind nicht helfen, ein bessere/r Leser/in zu werden
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Stimme stark zu
2 = Stimme eher zu
3 = Stimme eher nicht zu
4 = Stimme ueberhaupt nicht zu

Meinem Kind beim Vorlesen zuhoeren
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Jeden Tag oder fast jeden Tag
2 = Ein- bis zweimal pro Woche
3 = Ein- bis zweimal pro Monat
4 = Nie oder fast nie

Geraete fuer digitale Informationen zu Hause
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Keine
2 = 1 - 2 Geraete
3 = 3 - 4 Geraete
4 = 5 - 6 Geraete
5 = 7 - 10 Geraete
6 = Mehr als 10 Geraete

Sie nutzen ein Geraet zum Lesen von E-Books
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Oft
2 = Manchmal
3 = Selten
4 = Nie
5 = Nicht vorhanden

Welche berufliche Ausbildung haben Sie- Vater
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Keine abgeschlos. Berufsausbild.
2 = Abgeschlossene Berufsausbildung
3 = Akademischer Abschluss
4 = Anderer Abschluss

Berufliche Stellung- Vater
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Selbststaendige/r
2 = Freiberuf. Akademiker/in
3 = Mithelf. Familienangehr.
4 = Beamter/ Beamtin
5 = Angestellte/r
6 = Arbeiter/in
7 = Ich bin nie berufstaetig gewesen

Beschreibung beruflicher Situation- Vater
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Arbeitet bezahlt in Vollzeit
2 = Arbeitet bezahlt nur in Teilzeit
3 = Hat keine bezahlte Arbeit
4 = Anderes
5 = Nicht zutreffend

Anzahl Personen im Betrieb- Mutter
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar

Wie viele Personen arbeiten nach Ihren Anweisungen- Vater
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Keine
2 = 1 bis 10
3 = Mehr als 10
4 = Ich bin nie berufstaetig gewesen

Wie viel Geld steht Ihrem Haushalt monatlich zur Verfuegung
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Unter 400 Euro
2 = 400 bis unter 600 Euro
3 = 600 bis unter 800 Euro
4 = 800 bis unter 1000 Euro
5 = 1000 bis unter 1200 Euro
6 = 1200 bis unter 1400 Euro
7 = 1400 bis unter 1600 Euro
8 = 1600 bis unter 1800 Euro
9 = 1800 bis unter 2000 Euro
10 = 2000 bis unter 2200 Euro
11 = 2200 bis unter 2400 Euro
12 = 2400 bis unter 2600 Euro
13 = 2600 bis unter 2800 Euro
14 = 2800 bis unter 3000 Euro
15 = 3000 bis unter 3200 Euro
16 = 3200 bis unter 3400 Euro
17 = 3400 bis unter 3600 Euro
18 = 3600 bis unter 3900 Euro
19 = 3900 bis unter 4200 Euro
20 = 4200 bis unter 4500 Euro
21 = 4500 bis unter 5000 Euro
22 = 5000 bis unter 5500 Euro
23 = 5500 bis unter 6000 Euro
24 = 6000 bis unter 8000 Euro
25 = Mehr als 8000 Euro

Eine mindestens einwoechige Urlaubsreise pro Jahr
-99 = keine Angabe
-98 = nicht valide
-97 = nicht bearbeitbar
1 = Haben/tun wir
2 = zur Zeit nicht leisten
3 = aus anderen Gruenden nicht