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Problem statement
Process of studying new drawing technique for an artists consists of different parts. One of the most important steps is to get handle on typical drawings. At the same time artist needs to receive a constant feedback to understand what he does wrong or right.
...
| Task 1 | Task 2 | Task 3 | |
|---|---|---|---|---|
User #1 | The task was performed correctly |
| The task was performed correctly | The task was performed correctly |
User #2 | Didn't find the button "Try now!", tried to press on images instead. After this critical incident, we painted it with green. | The task was performed correctly | Put a sheet of paper in landscape mode, but not in a portrait one like it was on initial preparations' page. | |
User #3 | The task was performed correctly | The task was performed correctly | The user didn't look on the type of pencil he took. | |
User #4 | Clicked on one of the pictures (popular drawing techniques) instead of pressing the "Try now" button. | The task was performed correctly | Was a bit confused about the given feedback (what the number means) | |
User #5 | Didn't find the button "Try now!". | The task was performed correctly | Placed the camera in a wrong way | |
User #6 | Clicked on one of the pictures (popular drawing techniques) instead of pressing the "Try now" button. | The task was performed correctly | Complained that she had to choose the same things too many times | |
User #7 | Clicked on one of the pictures (popular drawing techniques) instead of pressing the "Try now" button. |
| The task was performed correctly | The task was performed correctly |
Summary
- Users can't find the "Try lesson" button on the main page.
- Fix: Change button's color and form
- Users commented that main page overwhelmed with pictures
- Fix: Rearrange and reposition pictures on the page
- Users commented that there are too many steps between the first choice of the technique and the beginning of drawing
...
There are three main steps we wanted to test the system:
- erasing lines
- drawing line
- drawing oblects
Prototype description
Image | Description |
|---|---|
| During this step user needs to erase line from the object. step represents |
| During this step user needs to draw new line instead of old one |
| During this step user needs to draw new object (leaf) by connecting points. |
Tasks and usability issues
| Subtask #1 | Subtask #2 | Subtask #3 | ||
|---|---|---|---|---|---|
Description | Erase line | Draw line | Draw object | ||
User #1 | Did correctly | Did correctly | Did correctly | ||
User #2 |
|
| Erased too much | Wasn't clear what to do from | Did correctly |
User #3 |
|
| Wasn't clear what to do from | Did correctly | Wasn't clear what to do from |
User #4 |
|
| Erased too much | Did correctly | Did correctly |
User #5 |
|
| Wasn't clear how much to erase | Drew in his own way | Drew in his own way |
Summary
- Users don't want to follow strict rules.
- Fix: Make descriptions more polite
- Users suggested to highlight the part which needs to be erased
- Fix: Highlight the part which needs to be erased