The psychological Testing in India, factorial definitions of intelligence. The “Theories of Intelligence” have been dealt with more exhaustively. Guilford’s “Structure of Intellect Model” has been added. The chapter on “Learning” has been introduced Lewin’s Field Theory has been dealt with in greater detail. A special chapter on “Programmed Instruction” follows the chapter on “Learning”. A new topic “Group Dynamics and the Classroom” has been included. Thus the scope of the book has been widened so as to make the book useful for all student of Educational Psychology.