“ ’Egocentricity’ in Adult Conversation,” is one of several studies featured in the article “Soft Is Hard: Psychologists Under the Bed — further evidence why the ‘soft’ sciences are the hardest to do well,” which is one of the articles in the special Numbers issue of the Annals of Improbable Research, which is one of the 142 issues published so far!
The psychologists-under-the-bed-eavesdropping study is by Mary Henle and Marian B. Hubbell, published in the Journal of Social Psychology, vol. 9, no. 2, 1938, pp. 227-234.