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…

This paper reports on the development and use of several tools designed to sensitize caregivers to the fact that infants are very different from one another and that caregiving needs to be tailored to the styles and needs of each child. Four approaches were used: (1) having caregivers rate the infants regularly on a small number of rating scales…