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Table 2 School questionnaire variables with cross-country average correlation coefficients r ≥ ±0.2 with the students’ achievement scores averaged at school level

From: Evaluating the risk of nonresponse bias in educational large-scale assessments with school nonresponse questionnaires: a theoretical study

Label Name Used in model*
Approximately what percentages of students in your school have the following backgrounds? (Come from economically disadvantaged homes) BCBG03A T8—Model 1 to Model 10
ACBG03A P4—Model 11
T4—Model 1 to Model 6
Approximately what percentages of students in your school have the following backgrounds? (Come from economically affluent homes) BCBG03B T8—Model 2 to Model 10
ACBG03B P4—Model 10 to Model 11
T4—Model 2 to Model 6
How many people live in the city, town, or area where your school is located? BCBG05A T8—Model 8 to Model 10
ACBG05A P4—Model 3 to Model 11
Which best describes the immediate area in which your school is located? BCBG05B T8—Model 7 to Model 10
Which best characterizes the average income level of the school’s immediate area? BCBG05C T8—Model 10
ACBG05C P4—Model 1 to Model 11
T4—Model 3 to Model 6
How would you characterize each of the following within your school? (Teachers’ expectations for student achievement) BCBG11D T8—Model 3 to Model 10
ACBG12D P4—Model 5 to Model 11
How would you characterize each of the following within your school? (Parental support for student achievement) BCBG11E T8—Model 5 to Model 10
ACBG12E P4—Model 7 to Model 11
T4—Model 4 to Model 6
How would you characterize each of the following within your school? (Parental involvement in school activities) BCBG11F T8—Model 6 to Model 10
ACBG12F P4—Model 9 to Model 11
T4—Model 5 to Model 6
How would you characterize each of the following within your school? (Students’ desire to do well at school) BCBG11H T8—Model 4 to Model 10
ACBG12H P4—Model 8 to Model 11
T4—Model 6
To what degree is each of the following a problem among <fourth/eight-grade> students in your school? (Unjustified absenteeism) BCBG12AB T8—Model 9 to Model 10
ACBG13AB P4—Model 2 to Model 11
About how many of the students in your school can do the following when they begin primary/elementary school? (Read some words) ACBG16B P4—Model 4 to Model 11
About how many of the students in your school can do the following when they begin primary/elementary school? (Recognize most of the letters of the alphabet) ACBG16A P4—Model 5 to Model 11
  1. * T4TIMSS grade 4; T8TIMSS grade 8; P4PIRLS