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Chris ChapmanCPS provides nationally representative data for the civilian, noninstitutionalized, population of the United States. The survey is conducted in a sample of 50,000-60,000 households each month. Households are interviewed for 4 successive monthly interviews, are not interviewed for the next 8 months, and then are re-interviewed for the following 4 months. Typically, the 1st and the 5th interviews are conducted in person, with the remaining conducted via computer-assisted telephone interviewing. The sample frame is a complete list of dwelling-unit addresses at the time of the decennial Census updated by demolitions and new construction and field listings. The population surveyed excludes members of the armed forces, inmates of correctional institutions, and patients in long-term medical or custodial facilities; it is referred to as the civilian, noninstitutionalized population. For the October 2003 core CPS, the unweighted response rate was 92.7 percent, and the unweighted response rate for the school enrollment supplement was 93.7 percent. Because the school enrollment supplement is dependent on the core collection, the overall unweighted response rate for the supplement is the product of core and supplement response rates, or 86.9 percent in 2002.
An adult member of each household serves as the informant for that household, supplying basic monthly data for each member of the household. In addition, in October of each year, supplementary questions regarding school enrollment are asked about eligible household members 3 years old and over. Data are collected about individuals who attend or attended public schools or private schools, who were homeschooled, or who never attended school in the United States.
CPS data on educational attainment and enrollment status in the current year and prior year are used to identify dropouts and completers, and additional items in the CPS data are used to describe some of their basic characteristics. The CPS is the only source of national time series data on dropout and completion rates. However, because CPS collects no information on school characteristics and experiences, its usefulness in addressing dropout and completion issues is primarily for providing insights on who drops out and who completes. Sample sizes in the CPS collections do not support stable state-level estimates.
There are important differences in data collection procedures between the CPS and CCD.21 First, the CCD collection includes only data for public school whereas the CPS counts include students who were enrolled in either public or private schools, and some individuals who never enrolled in school in the United States. Second, the CCD collects data about students from a given state's public school system. CPS data are based on where individuals currently reside so the state of residence may differ from the state or country of earlier school attendance. Third, the CCD collection includes dropouts in grades 7 through 12 versus grades 10 through 12 in the CPS (although CCD event rates are reported for grades 9 through 12 as in this report). Fourth, the CCD collection is based on administrative records rather than household surveys as in the CPS.
