Table B-2. Comparisons between frame distribution and base-weighted and final-weighted respondent distributions for school library media centers with an indication of potential sources of bias, by school type: 2007

Characteristics of Public and Bureau of Indian Education Elementary and Secondary School Library Media Centers in the United States: Results From the 2007–08 Schools and Staffing Survey

NCES 2009-322
June 2009

List of Tables

Table B-2. Comparisons between frame distribution and base-weighted and final-weighted respondent distributions for school library media centers with an indication of potential sources of bias, by school type: 2007–08

Potential source of bias	Base-weighted respondent distribution	Final-weighted respondent distribution
Public
Arizona, school level (secondary)	x
California, enrollment (500-749 students)	x	x
California, school level (elementary and secondary)	x	x
Colorado, school level (secondary)	x
Massachusetts, enrollment (500-749 students)	x
Michigan, school level (elementary)		x
Minnesota, enrollment (200-499 students)	x	x
Minnesota, school level (elementary)	x	x
Minnesota, school level (secondary)	x
National, enrollment (0-100 and 1000 or more students)	x	x
National, enrollment (750-999 students)		x
National, locale (central city)	x	x
National, locale (rural)	x
National, school level (secondary and combined)	x	x
Nebraska, school level (combined)	x
State (California)	x
Texas, school level (elementary)		x
Virginia, locale (suburban)		x
Washington, school level (secondary)	x
Wyoming, enrollment (200-499)		x
Wyoming, school level (secondary)		x
BIE
National, region (all other states)	x
NOTE: x denotes comparisons that are a potential source of bias. BIE refers to schools funded by the Bureau of Indian Education that are operated by the BIE, a tribe, or a private contractor and not by a regular school district.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schoolsand Staffing Survey (SASS), "Public School Library Media Center and BIE School Library Media Center Data Files," 2007–08.

List of Tables