Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Testing Maturity Model describing this concept was first published in: Crosstalk, August and September 1996 "Developing a Testing Maturity Model: Parts I and II", Ilene Burnstein, Taratip Suwannasart, and C.R. Carlson, Illinois Institute of Technology (article not in online archives at Crosstalk online anymore) Testing Maturity Model The Testing Maturity Model (TMM) was based on the Capability Maturity Model, and first produced by the Illinois Institute of Technology. Its aim to be used in a similar way to CMM, that is to provide a framework for assessing the maturity of the test processes in an organisation, and so providing targets on improving maturity.