“…This starts from Malone's [32] "Optimal level of informational complexity" and extends to Gentner and Grudin [16], and to Resnick et al 's [37] recommendations that tools provide a "low threshold" to help novice users get started, and be "self-revealing" of more sophisticated capabilities over time. most recently, Zhu et al [44] recommend promotion of discovery-based learning. Our designers value this exploration-based revelation of detail; in session 3, for instance, Gold describes exploring the details underlying default agent behavior, saying "And then if you get curious and you want to see at a lower level, you could keep expanding that, and seeing like, 'Oh, that means that it set all of these variables to these defaults, and it activated these components, and... ' you know under senses, like, 'Oh, hearing!…”