The Jordan-Adams Learning Center has a simple, straightforward philosophy that circumvents this rigidness of thought; do and use anything that works.
Holladay, W. L. (1975). The Innovators: The Jordan-Adams Learning Center. Reading Horizons: A Journal of Literacy and Language Arts, 15 (3). Retrieved from https://scholarworks.wmich.edu/reading_horizons/vol15/iss3/6