Country ID - Numeric ISO Code
276 = Deutschland

School ID
9999 = Omitted or invalid

Teacher ID and Link
99999999 = Omitted or invalid

Teacher ID
999999 = Omitted or invalid

Teacher Link Number
99 = Omitted or invalid

Subject Code in instrument
1 = Mathematics
6 = Integrated science
7 = Mathematics and science
9 = Omitted or invalid

GEN\SEX OF TEACHER
1 = Female
2 = Male
9 = Omitted or invalid

GEN\AGE OF TEACHER
1 = Under 25
2 = 25–29
3 = 30–39
4 = 40–49
5 = 50–59
6 = 60 or more
9 = Omitted or invalid

GEN\LEVEL OF FORMAL EDUCATION COMPLETED
1 = Did not complete <Upper secondary education—ISCED Level 3>
2 = <Upper secondary education—ISCED Level 3> (If you have not completed <post-secondary or tertiary education>, you will
3 = <Post-secondary, non-tertiary education—ISCED Level 4>
4 = <Short-cycle tertiary education—ISCED Level 5>
5 = <Bachelor’s or equivalent level—ISCED Level 6>
6 = <Master’s or equivalent level—ISCED Level 7>
7 = <Doctor or equivalent level—ISCED Level 8>
99 = Omitted or invalid

GEN\MAJOR AREA OF STUDY\EDUCATION PRIM
1 = Yes
2 = No
6 = Logically not applicable
9 = Omitted or invalid

GEN\CHARACTERIZE\TCHS UNDERSTANDING
1 = Very high
2 = High
3 = Medium
4 = Low
5 = Very low
9 = Omitted or invalid

GEN\THINKING ABT CURR SCH\SAFE NEIGHBORH
1 = Agree a lot
2 = Agree a little
3 = Disagree a little
4 = Disagree a lot
9 = Omitted or invalid

GEN\BEING A TEACHER\CONTENT
1 = Very often
2 = Often
3 = Sometimes
4 = Never or almost never
9 = Omitted or invalid

GEN\NUMBER OF STUDENTS IN THE CLASS
999 = Omitted or invalid

GEN\HOW OFTEN\RELATE TO STUDENTS LIVES
1 = Every or almost every lesson
2 = About half the lessons
3 = Some lessons
4 = Never
9 = Omitted or invalid

GEN\LIMIT TEACHING\LACKING KNOWLEDGE
1 = Not at all
2 = Some
3 = A lot
9 = Omitted or invalid

MAT\PERMITTED TO USE CALCULATORS
1 = Yes, with unrestricted use
2 = Yes, with restricted use
3 = No, calculators are not permitted
9 = Omitted or invalid

MAT\COMPUTER TABLET AVAILABILITY DURING MATH
1 = Yes
2 = No
9 = Omitted or invalid

MAT\LEARNING ACTIVITIES ON COMP\WHOLE CLASS
1 = Every or almost every day
2 = Once or twice a week
3 = Once or twice a month
4 = Never or almost never
6 = Logically not applicable
9 = Omitted or invalid

MAT\TOPICS\NUMBER\WHOLE NUMBER ORDERING
1 = Mostly taught before this year
2 = Mostly taught this year
3 = Not yet taught or just introduced
9 = Omitted or invalid

MAT\HOW OFTEN MATH HOMEWORK ASSIGNED
1 = I do not assign mathematics homework
2 = Less than once a week
3 = 1 or 2 times a week
4 = 3 or 4 times a week
5 = Every day
9 = Omitted or invalid

MAT\TIME SPENT ON HOMEWORK
1 = 15 minutes or less
2 = 16–30 minutes
3 = 31–60 minutes
4 = More than 60 minutes
6 = Logically not applicable
9 = Omitted or invalid

MAT\HOMEWORK\CORRECT
1 = Always or almost always
2 = Sometimes
3 = Never or almost never
6 = Logically not applicable
9 = Omitted or invalid

MAT\IMPORTANCE STRATEGIES\OBSERVING STUDENTS
1 = A lot
2 = Some
3 = None
9 = Omitted or invalid

MAT\TESTS ON COMPUTER OR TABLETS
1 = More than once a month
2 = Once a month
3 = Twice a year
4 = Once a year
5 = Never
9 = Omitted or invalid

MAT\<PROF DEVELOPMENT> HOURS
1 = None
2 = Less than 6 hours
3 = 6–15 hours
4 = 16–35 hours
5 = More than 35 hours
9 = Omitted or invalid

SCI\HOW OFTEN SCIENCE HOMEWORK ASSIGNED
1 = I do not assign science homework
2 = Less than once a week
3 = 1 or 2 times a week
4 = 3 or 4 times a week
5 = Every day
9 = Omitted or invalid

Population ID
1 = Pop 1
2 = Pop 2
9 = Omitted or invalid

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

Grade ID
3 = Grade 3
4 = Grade 4
5 = Grade 5
6 = Grade 6
10 = Grade 10
99 = Omitted or invalid

Subject ID
1 = Mathematics
2 = Science
3 = Mathematics and Science
9 = Omitted or invalid

Locale ID of Teacher Questionnaire
1071 = Macedonian (Former Yugoslav Republic of Macedonia)
1132 = Sepedi (Sesotho sa Leboa) (South Africa)
3098 = Serbian (Cyrillic, Serbia and Montenegro)
7194 = Serbian (Cyrillic, Bosnia and Herzegovina)
51461 = Bosnian (Cyrillic) (Bosnia and Herzegovina)

School Emphasis on Academic Success-Teacher/IDX
1 = Very High Emphasis
2 = High Emphasis
3 = Medium Emphasis
9 = Omitted or invalid

Safe and Orderly Schools-Teacher/IDX
1 = Very Safe and Orderly
2 = Somewhat Safe and Orderly
3 = Less than Safe and Orderly
9 = Omitted or invalid

Teachers Job Satisfaction/IDX
1 = Very Satisfied
2 = Somewhat Satisfied
3 = Less than Satisfied
9 = Omitted or invalid

Teaching Limited by Student not Ready/IDX
1 = Very little
2 = Some
3 = A lot
9 = Omitted or invalid

Teachers Emphasis on Science Investigation/IDX
1 = About Half the Lessons or More
2 = Less than Half the Lessons
9 = Omitted or invalid

Teachers Majored in Education and Mathematics
1 = Major in Education and Mathematics
2 = Major in Education but not Mathematics
3 = Major in Mathematics but not Education
4 = All Other Majors
5 = No Formal Education Beyond Upper Secondary
9 = Omitted or invalid

Teachers Majored in Education and Science
1 = Major in Education and Science
2 = Major in Education but not Science
3 = Major in Science but not Education
4 = All Other Majors
5 = No Formal Education Beyond Upper Secondary
9 = Omitted or invalid

9 = Omitted or invalid

SCOPE OF THIS FILE
1 = Public Use File (PUF)
2 = Restricted Use File (RUF)

MAT\PROF DEVELOPMENT PAST\LANGUAGE AWARENESS
1 = Yes
2 = No
9 = Omitted

MAT\ACTIVITIES TO ADAPT IN MATH\FASTER STUDENTS
1 = in fast jeder Stunde
2 = in 5 bis 8 von 10 Stunden
3 = in 3 oder 4 von 10 Stunden
4 = in 2 von 10 Stunden
5 = in 1 von 10 Stunden
6 = nie
9 = Omitted

MAT\TECHNICAL AND EVERYDAY TERMS MATH\DIFFICULTIES WITH TECHNICAL
1 = Many
2 = Some
3 = Few
4 = None
9 = Omitted

GEN\LEVEL OF FORMAL EDUCATION COMPLETED\TECHNICAL COLLEGE
1 = Applicable
2 = Not Applicable
9 = Omitted

GEN\MAJOR AREA OF STUDY\SPECIAL NEEDS (zur Anonymisierung lokal supprimiert (FDZ))
2 = No
9 = Omitted

GEN\<SPECIALIZATION>\SCIENCE\OTHER FOCUS SPECIFICATION (Zuordnung der Antworten zur Anonymisierung entfernt (FDZ))
2 = 9
3 = ALTTAGSKULTUR UND GESUNDHEIT
4 = SOZIALKUNDE

GEN\NO TEACHER TRAINING\COMPLETED EDUCATION (Zuordnung der Antworten zur Anonymisierung entfernt (FDZ))
2 = 9
3 = B.A. KINDHEITSPAEDAGOGIK
4 = DIPLOM
5 = DIPLOMPAEDAGOGE
6 = EXAMEN
7 = FACHABSCHLUSS ALS LEHRER FUER DIE UNTEREN KLASSEN
8 = FACHSCHULABSCHLUSS ALS LEHRER FUER UNTERE KLASSEN
9 = MAGISTER

GEN\NO TEACHER TRAINING\SPECIFICATION DEGREE (Zuordnung der Antworten zur Anonymisierung entfernt (FDZ))
2 = 9
3 = D, MA, HSK, KU
4 = DEUTSCH, MATHEMATIK, HEIMATKUNDE, MUSIK
5 = DEUTSCH/RELIGION
6 = DEUTSCH/SPANISCH
7 = KINDHEIT
8 = LINGUISTIK, GERMANISTIK, PHILOSOPHIE
9 = POLYTECHNIK
10 = RUSSISCH, GESCHICHTE

GEN\CHARACTERIZE\COLLABORATION TO IMPROVE ACHIEVEMENT
1 = Very high
2 = High
3 = Medium
4 = Low
5 = Very low
9 = Omitted

MAT\COMP TABLET ACTIVITIES\MATHEMATICS CONCEPTS
1 = Every or almost every day
2 = Once or twice a week
3 = Once or twice a month
4 = Never or almost never
9 = Omitted

GEN\UNTERRICHTSJAHRE VIERTE KLASSE
99 = Omitted

GEN\AUSSAGENZUSTIMMUNG\ARBEIT MIT SCHUELERN
1 = stimme stark zu
2 = stimme einigermassen zu
3 = stimme wenig zu
4 = stimme ueberhaupt nicht zu
9 = Omitted

GEN\NUTZUNG COMPUTER\UNTERRICHT\WOHLFUEHLEN
1 = stimme voellig zu
2 = stimme eher zu
3 = stimme eher nicht zu
4 = stimme ueberhaupt nicht zu
9 = Omitted

GEN\HAEUFIGKEIT VIERTKLAESSLER\GESPRAECH ELTERN
1 = mindestens einmal pro Woche
2 = ein- bis zweimal pro Monat
3 = vier- bis sechsmal pro Jahr
4 = nie
9 = Omitted

GEN\CLASSROOM MANAGEMENT\BESCHAEFTIGT\STUDIUM
1 = gar nicht
2 = etwas (z. B. Vorlesung, Studienseminar)
3 = intensiv (z. B. [Examens-] Hausarbeit, Referat)
9 = Omitted

GEN\CLASSROOM MANAGEMENT\KENNTNISSE\AUSGEBILDET
1 = trifft gar nicht zu
2 = trifft eher nicht zu
3 = trifft eher zu
4 = trifft genau zu
9 = Omitted

GEN\AUSTAUSCH LEHRKRAEFTE\DISKUSSION LERNINHALT
1 = sehr haeufig
2 = haeufig
3 = manchmal
4 = nie oder fast nie
9 = Omitted

GEN\FORMEN ZUSAMMENARBEIT\UNTERRICHTSMATERIALIEN
1 = jeden Tag
2 = jede Woche
3 = jeden Monat
4 = mehrere Male pro Jahr
5 = 1 Mal pro Jahr
6 = nie
9 = Omitted

MAT\AEHNLICHE AUFGABEN\SCHWAECHERE\GRUNDRECHENUEBUNG
1 = trifft ueberhaupt nicht zu
2 = trifft eher nicht zu
3 = trifft eher zu
4 = trifft voll und ganz zu
9 = Omitted

MAT\GESTALTUNGSASPEKTE\SCHWACH STARK AUFGABEN
1 = trifft nicht zu
2 = trifft eher nicht zu
3 = trifft eher zu
4 = trifft zu
9 = Omitted

MAT\BEIM UNTERRICHTEN\FUER LERNEN BEGEISTERN
1 = sehr sicher
2 = sicher
3 = einigermassen sicher
4 = unsicher
9 = Omitted

MAT\EINSATZ TABLETS\MEINUNG
1 = sinnvoll
2 = eher sinnvoll
3 = weniger sinnvoll
4 = nicht sinnvoll
9 = Omitted

MAT\EINSATZ TABLETS\TAETIGKEITEN\GRUNDSAETZE
1 = jeden Tag oder fast jeden Tag
2 = ein- bis zweimal pro Woche
3 = ein bis zweimal pro Monat
4 = nie oder fast nie
9 = Omitted

SCI\ANTEIL INHALTSBEREICHE\SOZIALWISSENSCHAFTEN
999 = Omitted

MAT\SCHULBUECHER\VERLAG\STANDARDWERK
1 = Checked
9 = Omitted

MAT\IMPORTANCE STRATEGIES\OBSERVING STUDENTS
1 = major importance
2 = some importance
3 = little importance
4 = no importance
9 = Omitted