(a) “HASALL (1982-2012)”: This file contains the full array of responses from the 31 years of surveys, including both the basic random surveys and the additional "oversample" surveys. The "oversample" interviews have been conducted each year since 1994, with an exception in 1996, to enlarge and equalize the annual samples of Anglo, African-American, and Hispanic respondents at approximately 500 each. It also includes the systematic surveys conducted in 1995, 2002 and 2011 with large representative samples of Houston's Asian communities (with a quarter of the interviews conducted in Vietnamese, Mandarin, Cantonese, or Korean). These are the data that enable the project to analyze the continuities and changes that have been occurring over the course of more than a quarter century among successive scientifically selected representative samples of Harris County residents.
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(b) “HASCENSUS (2003-2012)”: Beginning in 2003, the surveys have incorporated additional detailed information from the 2000 census on the characteristics of the respondents’ neighborhoods. The data include—not only at the level of home ZIP code, but also by census tract and block group—the population and geographical size of the neighborhood, its distributions by ethnicity and immigrant status, its age and gender composition, its employment and commuting patterns, and its levels of education and income. With this information incorporated in the data sets for the past six years of expanded surveys, researchers are able to connect the respondents’ perceptions and experiences with vital data on the neighborhoods in which they live, thereby adding an important contextual dimension to analyses of the factors that predict individual differences in attitudes and beliefs. The full array of census data, complete for approximately 85 percent of all respondents, is contained in this third data file.
* The data files are available upon request.
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