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