Special publics Special public: Pessimistic Path PERSONALITY Pessimistic Number of studies 2 Additional keywords optimist Related correlational subjects List of Studies on this Public Reference Title of publication Public Washburn et al. (1926): study US 1924 A comparison of directed and free recalls of pleasant and unpleasant experiences as test of cheerful and depressed temperaments. Female students, cheerful and depressed, USA, 192? Washburn et al. (1925): study US 1923 Further experiments on directed recall as a test of cheerful and depressed temperaments. Female students, cheerful and depressed, USA, 192?