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EducationLesson Bulk Index

Lesson Bulk Index

[edit] Lesson Bulk Index (LBI)

An index for relating instruction to time and learning. Abbreviated as LBI. The more bulk in the lesson, the less likely the lesson will result in all learners demonstrating that they learn the essential academic point presented in the lesson.

LBI is the number of words, graphics, etc. presented in a lesson divided by the number of seconds times the number of criteria for learning the lesson. New Era School Initiative (NESI) defines normal lessons as 20 seconds with 20 words, graphics, etc. for one result to learn; bulky lessons from 20 to 300 seconds requiring 20 to 300 words, graphics, etc. for two or more results; and obese lessons as more than 300 seconds with uncounted words, graphics, etc. requiring multiple steps to unmeasured learning.

A normal lesson has a LBI of 20 or lower. A bulky lesson has a LBI from 20 up to 300. An obese lesson has a LBI above 300.

According to the NESI definition of LBI, conventional lessons in U.S. public schools qualify as obese. They appear to be measured in class periods of approximately 3,000 seonds (50 minutes) with unmeasured learning results.


Robert Heiny
Robert Heinyhttp://www.robertheiny.com
Robert W. Heiny, Ph.D. is a retired professor, social scientist, and business partner with previous academic appointments as a public school classroom teacher, senior faculty, or senior research member, and administrator. Appointments included at University of North Carolina at Chapel Hill, Peabody College and the Kennedy Center now of Vanderbilt University; and Brandeis University. Dr. Heiny also served as Director of the Montana Center on Disabilities. His peer reviewed contributions to education include publication in The Encyclopedia of Education (1971), and in professional journals and conferences. He served s an expert reviewer of proposals to USOE, and on a team that wrote plans for 12 state-wide and multistate special education and preschools programs. He currently writes user guides for educators and learners as well as columns for TuxReports.com.

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