Presented at the Annual Meeting of the American Educational Research Association (AERA) in April 2009. Compares results of different approaches to propensity-score matching with hierarchical data.

The 2012 edition of the "Digest of Education Statistics" is the 48th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…

The 2011 edition of the "Digest of Education Statistics" is the 47th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…

This book, second in a series dealing with scientific programing in the BASIC language, provides students, engineers, and scientists with a documented library of subroutines for scientific applications. Subjects of the eight chapters include: (1) least-squares approximation of functions and smoothing of data; (2) approximating functions by series…

This report is an update of the "Sourcebook of Arts Statistics" 1987 edition, with substantial new information. The document is a compilation of statistical data from multiple not-for-profit arts organizations. The information is provided in nine chapters: (1) Arts in the Economy; (2) Artist and Arts Administrator Employment; (3) Arts…

This report presents a compilation of national statistics on the not-for-profit and commercial arts fields and is intended to serve as a reference book for arts statistics. The focus is on nationally representative data collected through research efforts and donations of statistical information by arts related organizations. The statistics are…