1. A closed-loop theory of motor learning;Adams;Journal of Motor Behavior,1971
2. Remembering: A study in experimental and social psychology;Bartlett,1932
3. Variable practice effects on recall schema development for an open and closed motor skill;Barto,1986
4. Observational-learning and practice variability;Bird;Research Quarterly for Exercise and Sport,1983
5. The effect of contextual interference on retention in educable mentally retarded adolescent males, through the use of a blocked and random learning paradigm;Blake,1984