This web site is an electronic textbook with helpful, clearly written information on numerous researchers and their theories. Click on the names of B.F. Skinner and Albert Bandura.
On this web site, click on "Theories," where you will find "Connectionism" (E. Thorndike) and "Operant Conditioning" (B.F. Skinner). Also under the "Concepts" link, click on "Feedback/Reinforcement," and "Motivation."