In 1977, " locator charts " were produced for each area by Dr . Leo Ryan, providing a map of the various scores, following the Managerial Grid model, with unofficial names assigned to different score ranges.
12.
Therefore, through their work with NTL leading T-Group s and the creation of Mouton s Managerial Grid, Blake became famous and Mouton was seemingly allowed to ride on his coat tails, eventually co-founding Scientific Methods, Inc . in 1961 ( Ultimate, 2003 ).
13.
They were generally grouped into five main types for each area, in the vein of the Managerial Grid and TKI, except that moderate scores ( generally 4, 5 ) in only one dimension ( with the other dimension being high or low ) were given separate names, creating nine basic groups for each area ( low e / w, low e / high w, low e / moderate w, etc . ).
14.
During this period of widespread rejection, several dominant theories took the place of trait leadership theory, including Fiedler's ( 1967 ) contingency model, Blake and Mouton's ( 1964 ) managerial grid, Hersey and Blanchard's ( 1969 ) situational leadership model, and transformational and transactional leadership models ( Avolio, Sosik, Jung, & Berson, 2003; Bass, 1985; Podsakoff, MacKenzie, Moorman, & Fetter, 1990 ).
