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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
- 2.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
- 3.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) sudden loud sounds
- 4.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) strong colour contrast
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5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Body text: 10 px
Hint: 10 px
Label: 12 px
Footer: 11 px
Title: 14 px - 6.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
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7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Menu: 19 px
Footer: 24 px
Title: 23 px
Hint: 21 px - 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
- 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
- 10.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
- 11.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
- 12.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
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13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Footer: 13 px
Caption: 16 px
Label: 17 px
Menu: 27 px (a) Caption (b) Menu (c) Footer (d) Label - 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
- 15.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
- 16.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
- 17.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) captions on videos (d) big touch targets
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18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Title: 9 px
Hint: 23 px
Caption: 28 px (a) Caption (b) Hint (c) Title - 19.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
- 20.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) big touch targets (d) tiny tap areas
- 21.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) captions on videos
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22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Caption: 17 px
Menu: 28 px
Body text: 12 px
Footer: 18 px
Label: 18 px (a) Menu (b) Body text (c) Footer (d) Caption - 23.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
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24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Label: 16 px
Footer: 19 px
Menu: 27 px
Title: 13 px
Body text: 27 px (a) Label (b) Title (c) Menu (d) Footer -
25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Caption: 11 px
Label: 13 px
Title: 14 px
Body text: 21 px
Footer: 24 px - 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
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27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Footer: 17 px
Title: 20 px
Menu: 24 px - 28.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) fast-flashing lights (d) text that can grow
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29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 22 px
Menu: 24 px
Body text: 17 px
Footer: 16 px
Label: 10 px (a) Body text (b) Label (c) Menu (d) Hint -
30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Title: 23 px
Footer: 13 px
Caption: 11 px
Body text: 13 px
Hint: 20 px - 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) colour as the only clue
- 32.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
- 33.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) tiny tap areas
- 34.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) captions on videos
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35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Hint: 23 px
Title: 21 px
Footer: 26 px
Label: 24 px
Menu: 12 px (a) Title (b) Menu (c) Hint (d) Footer -
36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Title: 10 px
Hint: 24 px
Menu: 20 px
Caption: 23 px -
37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
Title: 24 px
Hint: 15 px
Body text: 12 px
Menu: 13 px - 38.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
- 39.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
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40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
Caption: 23 px
Menu: 13 px
Hint: 26 px
Footer: 24 px (a) Footer (b) Menu (c) Caption (d) Hint
Answer key
- makes it harder
- True
- text that can grow
- sudden loud sounds
- 5
- 2
- 0
- makes it harder
- helps everyone
- True
- a text label
- strong colour contrast
- Footer
- makes it harder
- False
- False
- colour as the only clue
- Title
- 7
- tiny tap areas
- tiny tap areas
- Body text
- colour-blind users
- Title
- 3
- labels on every icon
- 0
- fast-flashing lights
- Label
- 3
- labels on every icon
- False
- big touch targets
- captions on videos
- Menu
- 1
- 3
- 4
- makes it harder
- Menu
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