LIPPINCOTT’S
EDUCATIONAL SERIES
EDITED BY
MARTIN G. BRUMBAUGH, Ph.D. LL.D.
PROFESSOR OF PEDAGOGY, UNIVERSITY OF PENNSYLVANIA, AND COMMISSIONER
OF EDUCATION FOR PUERTO RICO
VOLUME I
Lippincott Educational Series
EDITED BY DR. M. G. BRUMBAUGH
Professor of Pedagogy, University of Pennsylvania
VOLUME I
Thinking and Learning to Think
By Nathan C. Schaeffer, Ph.D., LL.D.,Superintendent of Public Instruction for theState of Pennsylvania. 351 pages. Cloth,$1.25.
VOLUME II
Two Centuries of Pennsylvania History
By Isaac Sharpless, President of HaverfordCollege. 385 pages. Illustrated.Cloth, $1.25.
VOLUME III
Kemp’s History of Education
By Dr. E. L. Kemp, Principal of EastStroudsburg Normal School. 385 pages.Cloth, $1.25.
VOLUME IV
Kant’s Educational Theory
By Edward Franklin Buckner, Ph.D.,Professor of Philosophy and Education inthe University of Alabama. 309 pages.Cloth, $1.25.
Lippincott’s Educational Series
THINKING
AND
LEARNING TO THINK
BY
NATHAN C. SCHAEFFER, Ph.D., LL.D.
SUPERINTENDENT OF PUBLIC INSTRUCTION FOR
THE STATE OF PENNSYLVANIA
PHILADELPHIA
J. B. LIPPINCOTT COMPANY
1906
Copyright, 1900
by
J. B. Lippincott Company
ELECTROTYPED AND PRINTED BY J. B. LIPPINCOTT COMPANY, PHILADELPHIA, U.S.A.
EDITOR’S PREFACE
The progress of educational thought during the closingyears of this century has been marvellous. Professionalschools have created a demand for professional teachingby giving an increasing group of skilled instructors toour schools. This professional activity has caused ourleading cities to provide training-schools, as integralparts of the city system of education. Finally, our greatuniversities have established departments of pedagogyfor the higher training in education. As a result, theleading positions in higher schools and in supervision aremore and more demanding professionally trained leaders.
In this auspicious awakening for professional leadershipthere has come an increasing demand for standardtreatises upon the fundamental problems of education.Treatises upon the history, methods, principles, andsystems of ed