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