How close is close enough?
Subtitle: testing nonexperimental estimates of impact against experimental estimates of impact with education test outcomes
By: Elizabeth Ty Wilde, Robinson Hollister
Contributors: Hollister, Robinson G.
Series: Institute for Research on Poverty discussion paper -- no. 1242-02; Discussion papers (University of Wisconsin--Madison. Institute for Research on Poverty) -- 1242
Publisher: Institute for Research on Poverty, University of Wisconsin--Madison
Published: 2002
Place of publication: Madison, Wis.]
Language: eng
Number of pages: 39
Subjects: Education; Research; Methodology; Social sciences; Experimental methods; Class size
Notes: "January 2002"

Includes bibliographical references, p. 39.