In manual assembly work, parts are often assembled by applying force with a simple tool or by hand. A worker thus needs control the force he or she applies in working, as an appropriate level of force is requisite for minimizing work failures and improving efficiency. The object of this study is to clarify the relationship between the level of…

The effects of a visual motor training program that attempts to teach 5-year-olds the underlying cognitive structures used in copying geometric designs are assessed. The Design Board Program teaches the child a systematic method for analyzing complex two-dimensional graphic patterns. It is based on the theory that accurate replication of geometric…

THIS BOOK, A SEQUEL TO THE AUTHOR'S "INDUSTRIAL TRAINING FOR MANUAL OPERATIONS," COMPRISES THREE PARTS. IN PART ONE, THE NATURE OF SKILLS IN INDUSTRY IS DESCRIBED, AND THEIR RELATION TO HUMAN PERFORMANCE AND PRODUCTIVITY. IN PART TWO, AN OUTLINE OF RECENT RESEARCH AND A RESUME OF THE STATE OF KNOWLEDGE OF THE ACQUISITION OF SKILLS IS GIVEN. IN…