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United States Is Substantially Behind Other Nations in Providing Teacher Professional Development That Improves Student Learning; Report Identifies Practices that Work

Every year, nine in 10 of the nation’s three million teachers participate in professional development designed to improve their content knowledge, transform their teaching, and help them respond to student needs. These activities, which can include workshops, study groups, mentoring, classroom observations, and numerous other formal and informal learning experiences, have mixed results in how they effect student achievement.

embedded in the work of collaborative professional learning teams that support ongoing improvements in teachers’ practice and student achievement.

During the 1990's, a former student of Bloom's, Lorin Anderson, led a new assembly which met for the purpose of updating the taxonomy, hoping to add relevance for 21st century students and teachers. This time "representatives of three groups [were present]: cognitive psychologists, curriculum theorists and instructional researchers, and testing and assessment specialists" (Anderson, & Krathwohl, 2001, p. xxviii). Like the original group, they were also arduous and diligent in their pursuit of learning, spending six years to finalize their work. Published in 2001, the revision includes several seemingly minor yet actually quite significant changes. Several excellent sources are available which detail the revisions and reasons for the changes. A more concise summary appears here. The changes occur in three broad categories: terminology, structure, and emphasis.