International Handbook of Applied Research in Intellectual Disabilities
Chapter One
Historical Overview
of Applied Research
in Intellectual Disabilities:
The Foundation Years
Trevor R. Parmenter
University of Sydney, Australia
INTRODUCTION
In 1958, Jack Tizard, one of the pioneer giants in the field of the study of intellectual
disabilities, wrote:
What are most needed today are properly controlled experimental studies and surveys
designed to answer particular questions about the social costs of various types of administrative
arrangements for dealing with mentally subnormal individuals. On the psychological
side, we need to discover the most efficient methods of teaching or training
those who are grossly subnormal in intelligen ... read full excerpt from International Handbook of Applied Research in Intellectual Disabilities ebook
