“…Miniature experiments. The partial reinforcement effect has been found in some of the miniature experiments of Amsel, Hug, and Surridge (1968), Bowen and McCain (1967), Capaldi and Waters (1970), McCain (1965a, 1965b, 1965c, 1968), and McCain and Brown (1967. In these miniature experiments acquisition consists of a very small number of trials, sometimes as few as two, a nonreinforcement and a reinforcement.…”