Published: 1987
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This book was published 1987 by Gryphon House, U. S. .
Robert Williams is Professor Emeritus at Southern Illinois University. He is currently acting as lead consultant for the NSF-funded Building Base Line Objectives for Children's Knowledge and Skills in Science (BLOCKS) program at the University of Texas. The teachers and researchers in BLOCKS are assessing what skills four-year-olds can attain before they enter kindergarten.