Greater prairie-chickens (Tympanuchus cupido pinnatus) are a medium-sized grouse species (800–1000 g; 1.8–2.2 lbs). During spring they gather on communal breeding areas, or leks, where males display and compete for opportunities to mate. Prairie-chicken leks are also called booming grounds because males make a low-frequency, booming vocalization during their displays. Orange air sacs on the sid...

The concept of a synthetic character being “believable” in a digital performance has remained a wholly subjective and nebulous descriptor. Little work has been done to provide a useful metric for comparing or contrasting the relative “believability” of different characters. This paper proposes a general method for measuring dramatic believability based on the premise that the believability of a...