Interactive Piano Teacher Design Review Ted, Abe, Michael, Chris, Tina, May

Purpose of Interface Teach users how to read music Teach users how to read music Teach users how to play the piano Teach users how to play the piano Would be a replacement for a human teacher Would be a replacement for a human teacher

The Intended Users People interested in learning to play the piano People interested in learning to play the piano People who want feedback when practicing People who want feedback when practicing People who do not have access to, or cannot afford a human piano teacher People who do not have access to, or cannot afford a human piano teacher Need a basic understanding of computers Need a basic understanding of computers

Non-Intuitive Button Names Selected names did not match terms from the user’s vocabulary Selected names did not match terms from the user’s vocabulary For example: Button named “Learn To Read Music” originally named “Learning Mode” For example: Button named “Learn To Read Music” originally named “Learning Mode” Violated Heuristic # 2 Match between system and the real world Violated Heuristic # 2 Match between system and the real world

Added Welcome Screen It wasn’t clear what state the program would start in when we did our heuristic evaluation. It wasn’t clear what state the program would start in when we did our heuristic evaluation. Added a welcome screen that asks the user to choose a mode when the program starts. Added a welcome screen that asks the user to choose a mode when the program starts. Violated Heuristic # 1 Visibility of system status Violated Heuristic # 1 Visibility of system status

No Help System In the original design there was no help system. In the original design there was no help system. Added tool-tips, help menu, and a tutorial system. Added tool-tips, help menu, and a tutorial system. Violated Heuristic # 10 Help and documentation Violated Heuristic # 10 Help and documentation

Added Standard Windows Menus Originally we only used buttons in the interface. If users didn’t recognize icons, they had no options. Originally we only used buttons in the interface. If users didn’t recognize icons, they had no options. Added a menu system which was consistent with standard windows menus. Added a menu system which was consistent with standard windows menus. Violated heuristic #4,6 Consistency and standards, and Recognition rather than recall Violated heuristic #4,6 Consistency and standards, and Recognition rather than recall