Strategies to Approximate Random Sampling and Assignment
Oxford University Press | 2009 | ISBN: 0195378350 | 216 pages | PDF | 2,5 MB
Oxford University Press | 2009 | ISBN: 0195378350 | 216 pages | PDF | 2,5 MB
Random sampling and random assignment are considered by many researchers to be the definitive methodological procedures for maximizing external and internal validity.