NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20250
Since 20240
Since 2021 (last 5 years)0
Since 2016 (last 10 years)0
Since 2006 (last 20 years)1
Education Level
Audience
Location
Laws, Policies, & Programs
Comprehensive Employment and…1
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Peck, Laura R.; Camillo, Furio; D'Attoma, Ida – Canadian Journal of Program Evaluation, 2009
This article presents a creative and practical process for dealing with the problem of selection bias. Taking an algorithmic approach and capitalizing on the known treatment-associated variance in the X matrix, we propose a data transformation that allows estimating unbiased treatment effects. The approach does not call for modelling the data,…
Descriptors: Program Evaluation, Intervention, Experiments, Comparative Analysis