剧情简介："Clarifies the concepts used in impact analysis and provides in-depth methodologies for research." --Educator’s Update</p> "I learned much from reading the first edition of this book years ago, and this edition retains many of the positive features of that version, especially the regression framework and the lucid discussion of how regression discontinuity and ...(展开全部)
作者：Lawrence B·Mohr
出版社：Sage Publications, Inc
ISBN：9780803959361
