Interactive Piano TeacherInteractive Piano Teacher

Design ReviewDesign Review

Ted, Abe, Michael, Chris, Tina, MayTed, Abe, Michael, Chris, Tina, May

Purpose of InterfacePurpose of Interface

Teach users how to read musicTeach users how to read musicTeach users how to play the pianoTeach users how to play the pianoWould be a replacement for a human Would be a replacement for a human

teacherteacher

The Intended UsersThe Intended Users

People interested in learning to play the People interested in learning to play the pianopiano

People who want feedback when People who want feedback when practicingpracticing

People who do not have access to, or People who do not have access to, or cannot afford a human piano teachercannot afford a human piano teacher

Need a basic understanding of computersNeed a basic understanding of computers

Non-Intuitive Button NamesNon-Intuitive Button Names

Selected names did not match terms from Selected names did not match terms from the user’s vocabularythe user’s vocabularyFor example: Button named “Learn To Read For example: Button named “Learn To Read

Music” originally named “Learning Mode”Music” originally named “Learning Mode”Violated Heuristic # 2 Match between Violated Heuristic # 2 Match between

system and the real worldsystem and the real world

Added Welcome ScreenAdded Welcome Screen

It wasn’t clear what state the program It wasn’t clear what state the program would start in when we did our heuristic would start in when we did our heuristic evaluation.evaluation.

Added a welcome screen that asks the Added a welcome screen that asks the user to choose a mode when the program user to choose a mode when the program starts.starts.

Violated Heuristic # 1 Visibility of system Violated Heuristic # 1 Visibility of system statusstatus

No Help SystemNo Help System

In the original design there was no help In the original design there was no help system.system.

Added tool-tips, help menu, and a tutorial Added tool-tips, help menu, and a tutorial system. system.

Violated Heuristic # 10 Help and Violated Heuristic # 10 Help and documentationdocumentation

Added Standard Windows MenusAdded Standard Windows Menus

Originally we only used buttons in the Originally we only used buttons in the interface. If users didn’t recognize icons, interface. If users didn’t recognize icons, they had no options.they had no options.

Added a menu system which was Added a menu system which was consistent with standard windows menus.consistent with standard windows menus.

Violated heuristic #4,6 Consistency and Violated heuristic #4,6 Consistency and standards, and Recognition rather than standards, and Recognition rather than recallrecall