Scope and Contents

Thomson and Lawley discuss potential problems with the calculations, looking at issues such as the validity of calculating the average family intelligence from one year group.

Thomson's letter is written on the reverse of 4 A5 copies of a supplementary sheet regarding the training of music teachers, briefly alluding to necessary qualifications and course of training.

Scope and Contents Discusses the work of Fraser Roberts and R S Fisher with regards to calculating the fall in IQ per generation, specifically the problems Thomson sees in the data being collected from one generation only. Lawley agrees with this, and expounds upon the problem further. Thomson also asks Lawley to check the calculations of Burt on the Sutherland and Thomson data, with Lawley subsequently highlighting their inaccuracies. Thomson's letter is written on the reverse of 7...

Scope and Contents

The letter is written on the reverse of preliminary notices for the 12th International Congress of Psychology.

Scope and Contents Biographical and personal papers, c mid 19th century-1972; Publications authored and co-authored by Thomson, 1904-1954; Unpublished materials by Thomson, 1897-1954; Publications collected by Thomson regarding education, intelligence, psychology, and statistics, 1879-1971 Unpublished material collected by Thomson and authored by others, c mid 20th...

Scope and Contents

The collection largely consists of letters from Godfrey Thomson to Ledermann. Many are highly mathematical in content, containing formulae and mathematical notation, though they also regard social events and contain enquiries from Thomson with regards to the safety of Ledermann's family throughout the war.