This study was aimed to investigate a program (Nishiyama, 2009) intended to intervene in the efficacy of childcare persons in terms of the pressing issue of how to cultivate efficacy in childcare persons in respect to children. Specifically, the program was aimed at bringing about a positive change in recognizing the practicability of the childcare persons in "bringing about the desired changes for cultivating efficacy around children" through measured diagnostic evaluations, setting of target action, and self monitoring. It was aimed at making qualitative improvements in childcare practice by providing increased motivation to the childcare persons. This study reports a section of the results of investigation on the effects of the support program.