Abstract
In junior high school home economics, there still is insufficient number of effective learning materials to study about child's development. Therefore, we developed a teaching material at junior high school level utilizing child's conversations during the play. In the lessons, junior high school students wrote short reports on their impression which were classified and analyzed by members of the study group. The results were as follows, ・By using the learning materials, these junior high school students were able to understand deeply the developmental stages of young children,. ・The junior high school students became interested in the communicating with young children. Our results suggest that these learning materials can be used in many other junior high schools.