Review Request 127305: Parley: Re-design multiple choice practice

[Heiko Tietze]

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Ship it!




Looks good from the usability POV. The selection is easy to change, clearly indicated, and known from websites or mobiles. However, it's adviced against using color as a primary indicator, which is not relevant here because the primary information is conveyed via item background, but color is always a tricky thing. For instance you have to take color impaired people into consideration (~10% have issues with red/green). Be sure to have at least a good contrast between the page background color (blue in the bee theme) and the selection background (green) (color contrast checkers are a lot out there, for example http://snook.ca/technical/colour_contrast/colour.html).

- Heiko Tietze


On March 14, 2016, 2:37 a.m., Julian Helfferich wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/127305/
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> 
> (Updated March 14, 2016, 2:37 a.m.)
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> 
> Review request for KDE Edu and KDE Usability.
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> 
> Repository: parley
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> 
> Description
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> 
> I have redesigned the Multiple Choice Practice Widget. Instead of QRadioButtons, the new design uses QPushButtons and tweaks their appearance using Qt Style Sheets making sure that the design works with all themes available on Get Hot New Stuff. The results are displayed in the screenshots attached:
> 
> New design:
> In screenshot 1, entry 2 has keyboard focus while the mouse is hovering over entry 5. This uses the Gray theme.
> In screenshot 2, the wrong entry 3 was selected. Additionally, the correct entry 2 is highlighted. Here, the Darkness theme is used.
> In screenshot 3, the correct entry 3 was selected. Here, the Bees theme is used.
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> Old design:
> Screenshots 4-6 correspond to screenshots 1-3, but using the old design for comparison.
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> I think, the new approach has some advantages over the old QRadioButton approach.
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> * Labels 1-5 indicate that entries can be selected by using this numbers as shortcuts.
> * Borders around the words instead of underlining the word makes it clearer which entry is selected.
> * Black text on light red or light green background is more legible than red/green text.
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> I have put much thought into this change and while I think the new approach is an improvement, I have also come to appreciate the QRadioButton approach. I am looking forward to hear your thoughts.
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> 
> Diffs
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>   src/practice/multiplechoicemodewidget.h 0d0b43c 
>   src/practice/multiplechoicemodewidget.cpp 74b3279 
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> Diff: https://git.reviewboard.kde.org/r/127305/diff/
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> 
> Testing
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> Practiced words:
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> * Selected correct entry
> * Selceted wrong entry
> * Pressed "Continue"
> * Pressed "Answer later"
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> I tested the new design with all backgrounds available with Get Hot New Stuff.
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> 
> File Attachments
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> 
> New design: Entry selected, theme Gray
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/07/1209538e-5838-42cf-9a07-4b1df976f4ee__snapshot1.png
> New design: Wrong answer, theme Darkness
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/07/63818cda-70a3-4592-865a-6ff59ddef7a8__snapshot2.png
> New design: Correct answer, theme Bee
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/14/dbfc2cae-e3bc-4ab8-91c1-b628eca8c6c5__snapshot3.png
> Old design: Entry selected, theme Gray
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/14/aa431bf6-7e6f-494d-84c8-e6b610222bca__snapshot4.png
> Old design: Wrong answer, theme Darkness
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/14/32eeb97b-5730-4fd4-bdd5-1b96168398ae__snapshot5.png
> Old design: Correct answer, theme Bees
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/03/14/eee260f4-4c7d-42d6-a4bf-a62dcc0707b7__snapshot6.png
> 
> 
> Thanks,
> 
> Julian Helfferich
> 
>

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