Improving the Productivity of America's Schools.Herbert J. Walberg1984-01-01articleEducational leadership744 citationsclosedNo readable copy stored yet — this record is metadata only.Educational Assessment and ImprovementSchool Choice and PerformanceEducational Leadership and PracticesAbstractNo abstract was published for this record.Citations in this libraryStored only when both papers are in the corpus — 744 citations exist upstream.Cited by2009New Effect Size Rules of Thumb1984The 2 Sigma Problem: The Search for Methods of Group Instruction as Effective as One-to-One Tutoring1999Effects of Small-Group Learning on Undergraduates in Science, Mathematics, Engineering, and Technology: A Meta-Analysis1999Assessing Social Presence In Asynchronous Text-based Computer Conferencing1994Leadership for School Restructuring2004Transforming gifts into talents: the DMGT as a developmental theory12000The effects of transformational leadership on organizational conditions and student engagement with school2020Conceptions of Giftedness