In general, female-female friendship interactions among children tend to be more focused on interpersonal connections and mutual support , while male-male interaction tends to be more focused on social status , and may actively discourage the expression of emotional needs.  :320-2 Females report more anxiety, jealousy, and relational victimization and less stability related to their friendships, and males report higher levels of physical victimization. Although males and females tend to report comparative levels of satisfaction with their friendships.  :249-50
The voice casting and production is handled by Voicebox Productions,  with Terry Klassen as the series' voice director. Faust, Thiessen, and others participated in selecting voice actors, and Hasbro gave final approval.  The voice work is performed prior to the animation, with the animators in the room to help provide direction; according to Libman, this allows herself and the other actors to play the character without certain limitations. Libman noted that for recording her lines as the hyperactive Pinkie Pie, "I learned that I can go as over the top as I want and they [the animators] rarely pull me back."