Porteus, S. D. (1959). The Maze Test—Early history. In S. D. Porteus, The Maze Test and clinical psychology (pp. 24-38). Palo Alto, CA, US: Pacific Books Publishers.
http://dx.doi.org/10.1037/14538-003
Since fuller accounts embodying the more important studies are already available, only the briefest historical summary of early work with the Maze Test is necessary here, and it is included partly to show the psychological climate that affected its development and use. Like the Binet, its inception came about through the need for a better classification of mental defectives in relation to their training or education. (PsycINFO Database Record (c) 2016 APA, all rights reserved)