References
- Gavurin , E. I. 1958 . Massed and distributed practice in puzzle solution . Diss. Abst. , 18 : 675
- Gavurin , E. I. 1965 . Effect of distributed practice upon initial solution to a jigsawlike puzzle . Percept. & Motor Skills , 21 : 892
- Johnson , D. M. 1966 . Solution of anagrams . Psychol. Bull. , 66 : 371 – 384 .
- Shaklee , A. B. and Jones , B. E. 1953 . Distribution of practice prior to solution of a verbal reasoning problem . J. Exper. Psychol. , 46 : 429 – 434 .