Anticipative transfer of mechanically guided turns.

Response strengthening by information and effect in human learning.

“…Guidance studies (e.g., Carr, 1921;Haslerud, 1953;Waters & Ellis, 1931) have typically not equated some of the variables that would be expected to influence performance; errors, time, or trials may vary, and the experiments thus do not constitute anything like a clean test of the effects of guidance per se.…”