Whaley, Donald L. 4 0

Elementary principles of behavior / 6 6 [by] Donald L. Whaley [and] Richard W. Malott. - - - ix, 454 pages. : illus. 26 cm. - - - - - . - . - 0 . - . - 0 .



Includes bibliographical references.



5

















5







2 = =









2




2 --0------


6 --0-- 2 --------



0 2 --


--20------





Psychology.;Operant behavior. --------20--


--------20--


----2

BF121 / .W462

150 / 2

/

/