Table Al

Construction of Outcome Variables

TableOutcomeCohortsData source/Survey questionMeasure
2Academic achievement1967, 1972, 1977, 1982Achievement tests in Swedish and mathematicsStandardized average test score by cohort
Cognitive ability1967, 1972, 1977, 1982Tests for verbal and logical abilitiesStandardized average test score by cohort
3Parents help child with homework1967, 1972, 1977, 1982Pupil question: “Does someone at home help you with homework or school work?” (Y/N for 1967 and 1972 cohorts) (times/week for 1977 and 1982 cohorts)Dummy variable for receiving any help with homework
Pupil does homework (hours)1967, 1972 1977, 1982Pupil question: “How often do you do homework or other school work at home?” (times/week for 1967 cohort) (hours per week for other cohorts)Number of hours/week spent on homework. The values for the 1967 cohort have been predicted from response on frequency of homework.
4Move from school district1972, 1977, 1982Administrative records on pupil mobilityDummy variable for moving both school district and housing
5Teacher thinks that it is important that pupils take responsibility for their own learning1982Teacher question: “How important is it that pupils take responsibility for their own learning?” (1–5)Percentile ranked response divided by 100
Pupil thinks it is easy to understand when the teacher explains in front of the class1967, 1972Pupil question: “Do you think it is hard to understand when the teacher explains in front of the class?” (Y/N)Dummy variable for negative response
Pupil asks the teacher for help if (s)he do not understand1967, 1972Pupil question: “Do you ask the teacher for help when you do not understand?” (Y/N)Dummy variable for positive response