Oshikko: Sensei

Behaviour Research and Therapy , 9(1), 31–41.

Based on the spelling and context, it is highly likely you are referring to — which translates to "Pee-Pee Teacher" or "Mr./Ms. Pee" — a well-known case study in behavioral psychology , specifically regarding operant conditioning and toilet training in children with developmental disabilities . oshikko sensei

Various (e.g., Mochizuki, H., or Yamada, Y. in Japanese Journal of Behavior Analysis ). Behaviour Research and Therapy , 9(1), 31–41

An examination of the 'Oshikko Sensei' procedure in a Japanese special needs classroom: Modifications to the Azrin-Foxx rapid toilet training method. Behaviour Research and Therapy

Azrin, N. H., & Foxx, R. M. (1971)