Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	The perception of number Messenger, James Franklin, January 1900 (has links) Thesis (Ph. D.)--Columbia University. / "Being vol. XIII, no. 1, of Columbia university contributions of philosophy, psychology and education. The results, of this research were presented before the Section of anthropology and psychology of the New York academy of sciences, and the monograph is published under the auspices of the Academy." Perception. Number concept.
2	The perception of number Messenger, James Franklin, January 1900 (has links) Thesis (Ph. D.)--Columbia University. / "Being vol. XIII, no. 1, of Columbia university contributions of philosophy, psychology and education. The results, of this research were presented before the Section of anthropology and psychology of the New York academy of sciences, and the monograph is published under the auspices of the Academy." Perception. Number concept.
3	Two mechanisms for the perception of visual numerousness Taves, Ernest Henry, January 1941 (has links) Issued also as Thesis (Ph. D.)--Columbia University. / Bibliography: p. 46. Perception. Number concept.