There are multiple definitions:

1. Stanford Feeding Questionnaire(English)

   • about persistent picky eating
   • BMI, FDS
   • Nutrition, Psychology, Questionnaire
   • https://doi.org…psyg.2020.00165

2. Social Functioning Questionnaire(English)

   • PEPS
   • Social aspects, Questionnaire
   • https://doi.org/10.3310/hta20520