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