文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
K. M. Ralph
发表
Internal Invalidity in Pretest-Posttest Self-Report Evaluations and a Re-evaluation of Retrospective Pretests
Scott E. Maxwell, George S. Howard, Don W. Nance, 1979 .