19. The apparatus of claim 17 , wherein the outcome measure information comprises video playback completion data for the first media content and the second media content and wherein the first attribute is different from the second attribute.
17. An apparatus for analyzing media content, the apparatus comprising: memory; and one or more computer processors configured to: access demographics information of a plurality of users to identify a subset of the plurality of users; access outcome measure information of the subset of the plurality of users, outcome measure information relating to a plurality of media content, the plurality of media content comprising a first media content and a second media content; calculate a first outcome measure for the first media content, the first outcome measure based on the outcome measure information; calculate a second outcome measure for the second media content, the second outcome measure based on the outcome measure information; access respective character models of one or more characters depicted in the first media content; access respective character models of one or more characters depicted in the second media content; determine, for the first media content: a first attribute value of a first attribute of the one or more characters depicted in the first media content, the determination based on the respective character models and in accordance with a first capture function; and a second attribute value of a second attribute of the one or more characters depicted in the first media content, the determination based on the respective character models and in accordance with a second capture function; determine, for the second media content: a third attribute value of the first attribute of the one or more characters depicted in the second media content, the determination based on the respective character models and in accordance with the first capture function; and a fourth attribute value of the second attribute of the one or more characters depicted in the second media content, the determination based on the respective character models and in accordance with the second capture function; and perform a regression using the first attribute value, the second attribute value, the third attribute value, the fourth attribute value, the first outcome measure, and the second outcome measure to determine at least one attribute of significance.