Edinburgh -- Scotland
Found in 812 Collections and/or Records:
1 (37), Thomson to Ledermann, 2 Feb 1937
Thomson acknowledges receipt of Ledermann's letter and manuscript, expressing pleasure at Ledermann's continuing interest in factor analysis.
Thomson draws parallels between a formula Ledermann uses and the work of Kelley, specifically his pentad criterion as discussed in Crossroads in the Mind of Man.
1 (40), Thomson to Ledermann, 30 Jan 1940
Thomson invites Ledermann to dinner.
1. Edinburgh, circa 1850 (spine-dated 1849)
2 (37), Thomson to Ledermann, 10 Feb 1937
Thomson acknowledges receipt of Kelley's book, Crossroads in the Minds of Man. He advises Ledermann with regards to referencing Kelley's pentad criterion in his paper, while still recognising Ledermann's shorter method for arriving at the same result.
Thomson cites Psychometrika as the best publication for the paper, and offers to send it there if Ledermann is in agreement.
2 (39), Thomson to Ledermann, Ledermann to Thomson, 19 Jun 1939-24 Jun 1939
2 (40), Thomson to Ledermann, 16 Feb 1940
Thomson compliments Ledermann's article in Proceedings of the Royal Society of Edinburgh, but points out what he thinks is a misprint.
3 (37), Thomson to Ledermann, 16 Feb 1937
Thomson informs Ledermann that his secretary, Miss Matthews, is typing three copies of Ledermann's paper in order to submit to Psychometrika, and that these will be sent to him should he wish to make any changes before admission.
Thomson advises that he need not simplify the paper.
3 (38), Thomson to Ledermann, 27 Jan 1938
Thomson asks Ledermann to tidy his proof regarding Bartlett's estimation of the common factors and put it into more mathematical terms. He attaches the proof for Ledermann's consideration.
3 (39), Thomson to Ledermann, 4 Jul 1939
3 (40), Thomson to Ledermann, 26 Feb 1940
Ledermann asks Thomson to stop by his office when he visits Moray House so he can be introduced to James Duff.