Oshikko — Sensei

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. oshikko sensei

If you meant something else entirely (e.g., a researcher named "Oshikko" or a different field), please provide more context. But based on common academic queries, the paper is the definitive starting point. 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 . Behaviour Research and Therapy