Glenapp Ayrshire Scotland
Found in 49 Collections and/or Records:
19 (38), Thomson to Ledermann, 31 Mar 1938
20 (37), Thomson to Ledermann, 15 Sept 1937
20 (38), Thomson to Ledermann, 6 Apr 1938
Thomson gives Ledermann instructions regarding a matrix and the centroid process.
21 (37), Thomson to Ledermann, 26 Sept 1937
22 (37), Thomson to Ledermann, 30 Sept 1937
Thomson discusses M S Bartlett's proposed method of estimating factors as given in his British Journal of Psychology articles of Oct 1935 and Jul 1937. Thomson interprets the method, with the letter containing several pages of working for Ledermann's comments.
22 (38), Thomson to Ledermann, 25 May 1938
Thomson acknowledges receipt of the manuscript of The Factorial Analysis of Human Ability from Ledermann, thanks him for correcting and sending proofs to the Journal of Educational Psychology and the British Journal of Psychology, and asks him to ensure he has ordered off prints.
He refers briefly to the weather during his travels in Munich and Stockholm.
23 (37), Thomson to Ledermann, 1 Oct 1937
Postscript following on from Thomson's previous letter in which he expounds further upon his interpretation of M S Bartlett's proposed method of estimating factors.
23 (38), Thomson to Ledermann, 29 May 1938-30 May 1938
Contains short letter from Thomson thanking Ledermann for the return of a manuscript copy of The Factorial Analysis of Human Ability, and pointing out an error in his formula; a post script from Thomson regarding an error in Burt's matrix; and a post script from Thomson regarding Ledermann's notes about when a Heywood battery becomes impossible.
24 (37), Thomson to Ledermann, 4 Oct 1937
Thomson discusses his way of calculating what values may be given to the elements of Vpp in a hierarchical matrix, illustrating this with several pages of working for Ledermann's comment.
24 (38), Thomson to Ledermann, 1 Jun 1938
Thomson refers to a formula Ledermann has confirmed is correct, and informs Ledermann the manuscripts, most likely for The Factorial Analysis of Human Ability, are almost ready to be sent off, which will allow Thomson to return to original research. He asks Ledermann about the progress of his thesis.