Thomson, Godfrey Hilton, Sir, 1881-1955 (psychologist and Bell Professor of Education, University of Edinburgh)
Found in 253 Collections and/or Records:
Scope and Contents 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.
Dates: 1 Jun 1938
Scope and Contents Postcard acknowledging Ledermann's letter regarding Bartlett's estimates, which Thomson doubts have the minimum standard error. He discusses the error variances of the regression estimates, referring to a numerical example he has sent.
Dates: 8 Oct 1937
Scope and Contents Thomson asks Ledermann to look at Thurstone’s Primary Mental Abilities in order to check the covariances of the estimated factors with Thomson's own, and refers him to Thurstone’s comments on Spearman's g.
Dates: 10 Jun 1938
Scope and Contents Thomson asks Ledermann for his opinion on Thomson first draft of his section of their multivariate paper. He asks for Ledermann's advice on a few areas in particular, listing them and any potential problems he thinks may arise.
Dates: 16 Oct 1937
Scope and Contents Thomson refers to Aitken, saying he will be interested to hear what he has to say about Ledermann's work on the connection between the formulae for selection of an infinite normal population and for the expected values in a sampling distribution. He asks Ledermann to check section 2 of chapter 14 in The Factorial Analysis of Human Ability regarding simple structure, and asks him to clear up some difficulties he is having with...
Dates: 12 Jun 1938
Scope and Contents In his letter, dated 5 Nov 1937 and numbered 29 (37) Thomson discusses two papers on boundary conditions he and Ledermann contributed to Psychometrika in relation to orthogonal and oblique factors. He refers to the work of Holzinger and Harman in their article from the Journal of Educational Psychology, specifically in relation to their analysis of a...
Dates: 5 Nov 1937-7 Nov 1937
Scope and Contents Contains a letter from Thomson, dated 8 Nov 1937 and numbered 30 (37) in which he asks Ledermann to post an enclosed letter to Dr Horst if he thinks it correct; the enclosed letter to Dr Horst, dated 8 Nov 1937 and numbered 30a (37); and a further letter from Thomson to Ledermann, dated 12 Nov 1937 and numbered 30b (37) which asks him to obtain details of translations of Pliny’s letters held at Edinburgh University...
Dates: 8 Nov 1937- 12 Nov 1937