1978 年 21 巻 1 号 p. 24-29
The aim of this second study was to examine by interview whether student's scientific concept is based on concrete knowledge or not. The concept of nutrition is adopted as a model. 1) Girl's concept of menu consists of the underlying concepts, such as : nutrition, preference, economy, efficiency and cooking. 2) The more girls have to do with the following four acts, decide menu by oneself, buy foods by oneself, cook a meal by oneself, be interested in the information on the menu, the more their concept of menu develops. 3) More than half of the girls answered that a good nutrition meant the balance of nutrition elements. But this answer wasn't influenced by the above four acts. 4) The girl's knowledge of nutrition elements in food wasn't influenced by the four acts either. 5) Between those who answered "balance for nutrition" and those who didn't, a relationship of having knowledge wasn't found.