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WISC-III and/or WPPSI-R vs. SB L-M Scores

Compiled with parental permissions
from various sources by Carolyn K., webmistress, Hoagies' Gifted Education Page
2002-2003

Editor's Note: These scores are from the previous versions of the Wechsler (WISC and WPPSI) tests.  We are currently collecting data for a comparison of the current versions of these tests, as well as the current Stanford-Binet version 5.  Please visit Data Collection: Old and New IQ Test Score Pairs to submit your scores for this important comparison.  Thank you.

For more information on the supplemental use of the Stanford-Binet form L-M (SB L-M) please read Don't Throw Away the Old Binet by Dr. Linda Silverman and Kathi Kearney, and Current Use of the Stanford Binet, Form L-M by by Barbara Gilman, M.S. and Annette Revel, M.A.

Note: the data points in this table were obtained by voluntary submission, and children represented here were already suspected of extreme intelligence by means of current IQ testing before being tested with the supplemental SB L-M.  Because of this, it might appear that "all" children tested with the SB L-M gain higher scores than on current instruments; in fact, the data makes no such statement.

This table may not be reproduced in any form without permission