Note 61 — IX Reproduction
Reading edition
Something of the kind has been done in the meantime by Mr. Tinklepaugh insofar as his “substitution method” is an excellent means for studying certain properties of the traces. (The Journal of Comparative Psychology, 8, p. 224 ff., 1928.) Cf. also Psychol. Forsch., I, p. 10, 1921.