Figure 2.

Learning with the quiz app. (A) Layout of the quiz app providing corrective feedback (KRFC). Participants selected a response, rated their response certainty, and received KCRF. The dark gray circles indicate exemplary responses and ratings. (B) The same quiz app was used to provide participants corrective feedback including additional information (attribute isolation feedback, AIF, see Table 1). (C) Design and procedure of Study 1 and Study 2.