As one of several major therapeutic theoretical orientations, cognitive therapy (sometimes called cognitive behavioral therapy) is an orientation that has attracted many consultants in the contemporary era. There are not only psychologists who have made important contributions to the success of this orientation, nor are they a group of people working together in concert, but many have developed their own systems relatively independently. As these systems mature, they are found to have the same or similar orientations. It is generally believed that the "interaction analysis" (TA) of Eric Bourne, Mechinbaum's " cognitive behavior correction ", Baker's "cognitive therapy" of , Ellis's "rational-emotion therapy" (RET), and Grasser's "reality therapy".
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