App Dev Worksheet: Accessibility
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.
NameDateTime takenScore ___ / 40
- 1.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
- 2.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) fast-flashing lights (d) icons with no labels
- 3.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
- 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
- 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
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6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 14 px
Body text: 10 px
Hint: 20 px
Caption: 12 px - 7.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) big touch targets
- 8.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
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9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 12 px
Title: 15 px
Footer: 14 px
Body text: 13 px - 10.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
- 11.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
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12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 22 px
Caption: 26 px
Title: 9 px
Footer: 27 px (a) Caption (b) Footer (c) Hint (d) Title - 13.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) labels on every icon (d) big touch targets
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14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Caption: 25 px
Title: 25 px
Footer: 28 px
Body text: 19 px
Menu: 11 px (a) Footer (b) Title (c) Menu (d) Caption -
15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 20 px
Caption: 16 px
Hint: 14 px
Title: 24 px
Menu: 14 px - 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
- 17.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) strong colour contrast
- 18.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) text that can grow
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19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 14 px
Hint: 19 px
Menu: 23 px
Body text: 19 px (a) Body text (b) Menu (c) Hint (d) Label - 20.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
- 21.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
- 22.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
- 23.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) labels on every icon (d) captions on videos
- 24.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
- 25.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) colour as the only clue
- 26.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) sudden loud sounds
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27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 18 px
Label: 21 px
Footer: 16 px
Caption: 16 px
Body text: 13 px (a) Label (b) Title (c) Body text (d) Footer - 28.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
- 29.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
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30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 28 px
Menu: 9 px
Label: 22 px
Caption: 19 px (a) Hint (b) Caption (c) Menu (d) Label - 31.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) captions on videos
- 32.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
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33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 11 px
Title: 14 px
Caption: 11 px
Body text: 15 px
Menu: 12 px - 34.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
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35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 13 px
Title: 20 px
Body text: 20 px - 36.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
- 37.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
- 38.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
- 39.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
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40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Caption: 11 px
Title: 18 px
Hint: 20 px
Label: 27 px
Footer: 19 px (a) Hint (b) Caption (c) Title (d) Label
Answer key
- 2
- captions on videos
- False
- helps everyone
- makes it harder
- 3
- icons with no labels
- False
- 4
- everyone
- so anyone can follow
- Title
- fast-flashing lights
- Menu
- 2
- helps everyone
- tiny tap areas
- text that can grow
- Label
- helps everyone
- helps everyone
- 2
- sudden loud sounds
- 4
- strong colour contrast
- captions on videos
- Body text
- reads the screen aloud
- labels on every icon
- Menu
- colour as the only clue
- True
- 5
- 11
- 1
- 1
- a text label
- True
- 6
- Caption
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