CHAPTER I

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MENTALLY DEFECTIVE

CHILDREN

BY

ALFRED BINET AND TH. SIMON, M.D.

AUTHORISED TRANSLATION

BY

W.B. DRUMMOND, M.B., C.M., F.R.C.P. (EDIN.)

AUTHOR OF

"AN INTRODUCTION TO CHILD STUDY," ETC.

WITH AN APPENDIX CONTAINING THE BINET-SIMON TESTS

OF INTELLIGENCE BY

MARGARET DRUMMOND, M.A.

AND AN INTRODUCTION BY

PROFESSOR ALEXANDER DARROCH

_FOURTH IMPRESSION_

LONDON

EDWARD ARNOLD

[_All rights reserved_]

PRINTED IN GREAT BRITAIN BY

BILLING AND SONS, LIMITED

GUILDFORD AND ESHER

INTRODUCTION

The Binet-Simon tests of children's intelligence have been the subject

of much discussion during the past few years, both in this country and

in America. Much of this discussion seems to have been carried on, at

times, without any knowledge of the original aim or purpose for which

these tests were devised, and as if, so to speak, they were invented

as a means for ascertaining the relative intellectual powers of all

children, and so of affording to the teacher a ready and sure means of

accurately classifying and grading the children under his charge. As a

consequence, there is a tendency, in some quarters, to search for and

to endeavour to establish some absolute standard or criterion of

intelligence which shall be valid, irrespective of the nationality, or

the class, or the particular environment of the child.

It is hoped that the publication in translation of the work of Binet

and Simon in which these tests first appeared, along with the complete

series of tests as extended and revised during the lifetime of the

former, will tend to remove this twofold misapprehension, and make the

educationalist, as well as the wider public interested in social

questions, acquainted with the real purpose which underlay the devisal

or invention of the tests, and so enable all to perceive that their

relative value, as measuring stages of intelligence, must be judged by

the purpose for which they were devised.

Now, the main purpose of the authors in the devisal of these tests is

to furnish to the teacher a _first_ means by which he may single out

mentally backward children, who, upon further examination, may also be

found to have some mental defect or peculiarity which prevents them

from fully profiting by the education of the ordinary school, and who

probably would benefit more by being educated in a special school or

in a special class. But the final selection, it is contended, of

defective children for special education demands the experience of the

doctor and of the psychologist, as well as the knowledge of the

teacher, and the aid of all three is necessary in the devisal of

courses of study for the mentally defective. Especially important is

the division of mentally defectives into two main classes--the

feeble-minded and the ill-balanced. The latter, as a rule, are easily

marked out from the normal child, and, if not specially looked after,

may in later life become a menace to society. The feeble-minded, on

the other hand, may easily escape the notice of the teacher, and may

pass through the ordinary school unaffected and unimproved, enter into

society, and propagate their kind. Both classes require the special

care of the community, and their proper education and training are of

the gravest importance for the welfare and stability of society. In

this selection and education of mentally defective children, three

positions of Billet and Simon are worthy of consideration. In the

first place, it is contended that a physical examination alone can

never allow us to dispense with a direct examination of the

intelligence, and that "anthropometry, stigmata, and physical

appearance must take a second place as means of discovering in school

the feeble-minded and the ill-balanced." Again, "mental deficiency and

want of balance are peculiar mental conditions which it is often

impossible to connect with definite pathological changes." Hence the

examination of the medical man is not decisive. It must be

accompanied and reinforced by that of the psychologist. In the second

place, it is affirmed that in the devisal of schemes of training for

mental defectives, we must take into account that the dominant

features in their life are the "senses, the concrete perceptions, and

motor ability," and that "in the education of defectives the workshop

ought to become a more important place of instruction than the

class-room." In the third place, the position is strongly emphasised

that "every class, every school for defectives, ought to aim at

rendering the pupils socially useful. It is not a question of

enriching their minds, but of giving them the means of working for

their living."

Hence, the utility of special schools or special classes for such

children depends ultimately upon their success in making their pupils,

according to the measure of their intelligence, efficient workers.

These two problems--viz., (1) the method of selecting abnormal or

defective children who are not sufficiently good for the ordinary

school, nor yet sufficiently bad to be classed as idiots or imbeciles;

and (2) the devisal of courses of education and training which may

tend to make them hereafter useful workers and citizens--are of

first-rate importance to us at the present time. Under recent

legislation, public local authorities have been entrusted with the

devisal of the means for the proper selection and the proper education

of defective children, and the utmost wisdom and care should be taken

in the beginning of this new movement. The many errors that

administrators may fall into are fully set forth in this little volume

(_cf._ p. 78 _et seq._), and the concluding chapter on the utility of

special schools should be read by all who have to do with the

administration of the new Act.

The importance of the work of Binet and Simon to teachers and

inspectors is without question, and were the duties of the teacher

and inspector carried out as set forth in this volume (_cf._ p. 86)

throughout the whole school, a much-needed improvement in our ordinary

school education would soon result.

Lastly, the volume is important as marking a new attitude towards

educational problems, and as indicating the newer spirit in which we

should undertake the training of all teachers. This new attitude and

spirit are clearly set forth in the concluding words of the volume:

"The essential thing is for all the world to understand that

empiricism has had its day, and that methods of scientific precision

must be introduced into all educational work, to carry everywhere good

sense and light."

ALEXANDER DARROCH

UNIVERSITY OF EDINBURGH,

_July, 1914_

CONTENTS

CHAPTER I

INTRODUCTORY

PAGE

INTEREST IN SOCIAL QUESTIONS 1

SOME DEFINITIONS 4

SOME STATISTICS 7

Mentally Defective Children · 第 1 / 7 章