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Design

Design 1

dd

Analysis 1

Learnability

This design is very learnable to the first time user.

Visibility

Efficiency

Efficiency may not be as optimal as it could be. Users have to add bills individually so a user creating multiple similar bills would 

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would have to enter the same information in many times. Also, many changes like deleting a bill can only be done through certain interfaces such as the household view and not through the household itself, which hurt both learnability and efficiency. Editing bills is made efficient by having much

Error Prevention

While hurting efficiency, deleting bills individually helps prevent errors. 

Design 2

dd

Analysis 2

Learnability

Buttons that allow users to perform actions on a bill (edit, pay, etc.) are clearly labeled and placed next to the listing for that bill. Links to other pages on the site are displayed prominently in the taskbar.

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Not great. Does not allow user to undo transactions, although before a transaction goes through the user must review a confirmation page.

Design 3

dd

Analysis 3

Learnability

dd

Visibility

d

Efficiency

dd

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