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.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) big touch targets
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2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Label: 14 px
Menu: 12 px
Title: 10 px
Body text: 21 px
Hint: 10 px - 3.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
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4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 16 px
Caption: 12 px
Menu: 24 px
Footer: 23 px - 5.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
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6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Body text: 12 px
Footer: 21 px
Menu: 23 px (a) Menu (b) Body text (c) Footer - 7.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) captions on videos (d) labels on every icon
- 8.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
- 9.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
- 10.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
- 11.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
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12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 26 px
Title: 23 px
Footer: 21 px
Label: 10 px
Body text: 19 px (a) Label (b) Footer (c) Hint (d) Title -
13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Label: 19 px
Hint: 15 px
Body text: 15 px - 14.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
- 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
- 16.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
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17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 28 px
Footer: 14 px
Menu: 27 px (a) Title (b) Menu (c) Footer - 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
- 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
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20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 10 px
Caption: 10 px
Title: 23 px - 21.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
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22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 19 px
Menu: 18 px
Title: 21 px
Label: 18 px
Hint: 23 px -
23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 10 px
Body text: 11 px
Hint: 10 px
Footer: 19 px - 24.Which of these makes the app harder to use? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) labels on every icon
- 25.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
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26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Footer: 11 px
Menu: 17 px
Caption: 19 px
Body text: 19 px
Label: 26 px (a) Body text (b) Caption (c) Footer (d) Menu - 27.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
- 28.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
- 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
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30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 28 px
Footer: 27 px
Title: 24 px
Body text: 16 px
Caption: 12 px (a) Title (b) Caption (c) Footer (d) Hint - 31.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
- 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) tiny tap areas
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33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 24 px
Body text: 16 px
Footer: 9 px
Hint: 23 px (a) Title (b) Hint (c) Footer (d) Body text - 34.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) fast-flashing lights
- 35.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
- 36.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
- 37.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) tiny tap areas
- 38.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) labels on every icon
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39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Hint: 24 px
Menu: 18 px
Footer: 20 px
Body text: 18 px
Label: 18 px -
40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 26 px
Footer: 10 px
Title: 19 px
Body text: 18 px
Caption: 17 px (a) Hint (b) Title (c) Body text (d) Footer
Answer key
- sudden loud sounds
- 4
- False
- 1
- everyone
- Body text
- tiny tap areas
- tiny tap areas
- False
- reads the screen aloud
- so anyone can follow
- Label
- 2
- True
- helps everyone
- captions on videos
- Footer
- makes it harder
- strong colour contrast
- 2
- 1
- 0
- 3
- fast-flashing lights
- labels on every icon
- Footer
- False
- colour as the only clue
- helps everyone
- Caption
- text that can grow
- captions on videos
- Footer
- strong colour contrast
- 1
- 3
- big touch targets
- colour as the only clue
- 0
- Footer
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