App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 640 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 22 px
   Hint: 13 px
   Menu: 14 px
   Body text: 17 px
   Caption: 18 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Body text: 28 px
   Label: 25 px
   Hint: 18 px
   Footer: 21 px (a) Title (b) Label (c) Body text (d) Hint
3. 3.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 9 px
   Title: 16 px
   Caption: 16 px (a) Title (b) Hint (c) Caption
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 23 px
   Menu: 23 px
   Body text: 24 px
   Footer: 11 px
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 20 px
   Title: 15 px
   Footer: 14 px
   Label: 18 px
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
8. 8.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) big touch targets (d) colour as the only clue
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Title: 11 px
   Body text: 14 px
   Hint: 10 px
   Menu: 18 px
10. 10.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
11. 11.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Caption: 23 px
    Footer: 21 px
13. 13.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
15. 15.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) fast-flashing lights (d) icons with no labels
17. 17.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) captions on videos (d) text that can grow
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Label: 23 px
    Title: 20 px (a) Title (b) Label (c) Caption
21. 21.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
22. 22.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 14 px
    Title: 20 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Body text: 21 px
    Hint: 16 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Label: 21 px
    Title: 24 px (a) Label (b) Menu (c) Title
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Footer: 13 px
    Label: 20 px
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) labels on every icon
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Title: 24 px
    Caption: 10 px
29. 29.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Label: 21 px
    Hint: 11 px
31. 31.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Caption: 23 px
    Title: 18 px
    Body text: 19 px
34. 34.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
36. 36.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
38. 38.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
39. 39.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Menu: 24 px
    Title: 20 px
    Body text: 14 px
    Hint: 27 px (a) Body text (b) Title (c) Caption (d) Menu

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