“…Over the past century, dozens of formal experiments have confirmed all of the features he described. Sad speech exhibits a quieter dynamic level (Skinner, 1935;Scherer, 1986;Siegman & Boyle, 1993;Banse & Scherer, 1996;Cowie et al, 2001); sad speech is slower in tempo (Siegman & Boyle, 1993;Breitenstein, van Lancker & Daum, 2001); sad speech is lower in pitch (Fairbanks & Pronovost, 1939;Lieberman & Michaels, 1962); sad speech is more monotone (Skinner, 1935;Fairbanks & Pronovost, 1939;Eldred & Price, 1958;Davitz, 1964;Huttar, 1968;Williams & Stevens, 1972;Bergmann, Goldbeck & Scherer, 1988;Banse & Scherer, 1996;Sobin & Alpert, 1999;Breitenstein, van Lancker & Daum, 2001;); sad speech exhibits more mumbled articulation (Dalla Bella, Peretz, Rousseau, & Gosselin, 2001); and sad speech displays a darker timbre (Ohala, 1980(Ohala, , 1994Tartter, 1980;Scherer, Johnstone, & Klasmeyer, 2003, Table 23.2; Schwartz, Howe, & Purves, 2003;Ross, Choi, & Purves, 2007).…”