If a person 18 or older ( AGE) reports not being enrolled in school ( SCHOOL), GRADEATT will be made "Not in universe." If a person 18 to 20 has a missing value for SCHOOL and reports being in Grade 8 or lower, SCHOOL and GRADEATT will both be replaced with a missing value. If the public/private value remains missing for someone with a "Yes" for school enrollment, it will be allocated from another person with a similar age.įor those who report not being in school, but do report attending a grade When school enrollment is "Yes" and educational attainment ( EDUC) is not missing, the public/private value will be allocated from another person with the same value of EDUC. When school enrollment is "Yes" and GRADEATT is not missing, the public/private value will be allocated from another person with a similar value for AGE and GRADATT. When the information on public or private school is missing, it will be allocated. This detail is not available in the IPUMS data. The ACS asks if the person attended public or private school.
If a person's age ( AGE) is less than 3, SCHOOL, GRADEATT, and EDUC will all be replaced with "Not in universe." If all cases, the flag variables will indicate when the value was allocated ( QSCHOOL, QGRADEAT, QEDUC). For brevity, we detail the editing rules for the groups. Note: In 2008, there was change to the editing procedures where groups of ages and grade levels that had previously been grouped together were addressed separately. For the other years, the N/A and "No Schooling" are coded as follows:ġ960: Persons Younger than 5 coded 001 N/Aġ970: Persons Younger than 3 coded 001 N/Aġ980: Persons Younger than 4 coded 000 'N/A or No Schooling'ġ990-onward: Persons Younger than 3coded N/A.
#Ipums codebook code
For 1950, people too young to attend school and those who never attended school are lumped together as code 000 'N/A or No Schooling'. To preserve detail in the original years, these codes are kept distinct. These differences result from varying age restrictions for each sample. The detailed codes include "N/A or No Schooling", "N/A", and "No Schooling." Users should be aware that these codes are slightly different depending on the year. However, some enumerators recorded additional years of college thus, the data contains legitimate cases of education values that are greater than 5+ years.
#Ipums codebook full
Users should note that in the 1940 full count sample enumerators were instructed to only record education up to 5 years of college. Users who perform case selection based on EDUC should carefully examine which codes are available in each year. For example, the general code "5+ years of college" includes the following detailed codes: "6 years of college" (available only in 1960-1980) "7 years of college" and "8+ years of college" (available only in 1980) and "Master's degree", "Professional degree", and "Doctoral degree" (available only 1990 and onward). The detailed version includes all information in each year, but the dramatic changes over time in the measurement of educational attainment means that not all categories are available in each year. The form for the 2000 census, the ACS and the PRCS provided examples of degrees that counted but did not specify what types of training should not be reported. Honorary degrees were not to be reported. The instructions specifically excluded barber and cosmetology schools and other training schools. Vocational, trade, and business certificates were to be reported only if they were college-level degrees. Persons educated in un-graded or foreign schools were to estimate the American equivalent of their educational attainment. The exception is that the 1990 census form provided detailed directions on what types of degrees counted. The general version collapses much of the detail available in each year, but is largely comparable across years. This variable has both general and detailed versions.
#Ipums codebook professional
EDUC merges these two schemes by assigning each degree the number of years it typically takes: "2 years of college" for associate's degrees "4 years of college" for bachelor's degrees and "5+ years of college" for graduate and professional degrees. Since 1990, this has been true only for respondents who have not completed high school all high school graduates have been classified according to their highest degree earned. In the 1940-1980 samples, all respondents were classified according to the highest year of school completed.
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