The semi-structured , think-aloud interview format was tailored based on Popova's study. Two researchers conducted the interviews using a semi-structured interview guide, and two trial interviews with volunteers were conducted before starting the research interviews. Participants were instructed to analyze the reaction and construct RCDs that best 160 explain the product distribution. Students were provided an iPad and an Apple pencil and were asked to draw structures, transition states, EPF mechanisms, or other figures of importance while verbally outlining their thought processes. The iPad screen was recorded to capture drawings and audio. Zoom was used as a backup to capture the voice recording with the video capture turned off.