Figure 2. Causal effects between serving systems, proportion of leftovers, temperature of main dishes, duration between children’s preference for school lunch, and time spent eating. Causal effects were analyzed using the Bayesian network analysis. Causes and effects are indicated by lines and arrowheads, respectively. Black circles represent discrete variables, and white circles represent ordinal variables

From

Education for Improving Children’s Behaviors during Eating in a Japanese Nursery School

Rie Horiuchi, Yuko Maki, Miki Tokunaga, Yuko Yamamoto, Keiichi Tsukinoki, Ram B. Singh, Douglas W. Wilson, Harpal S. Buttar, Toru Takahashi

Journal of Food and Nutrition Research. 2021, 9(6), 274-280 doi:10.12691/jfnr-9-6-1