Before revision: Vernon's verbal-perceptual model is a theory about the structure of intelligence proposed by Philip Ewart Vernon in 1964 (Vernon, 1964, 1965).Vernon, P. E.(1964).
After revision: Vernon's verbal-perceptual model is a theory about the structure of intelligence proposed by Philip E. Vernon in 1964 (Vernon, 1964, 1965).Vernon, P. E.(1964).