What ensures reliability in data collection?

• A) Guesswork
  

• B) Large samples
  

• C) Random errors
  

• D) Single sources

Why should surveys avoid complex wording?

• A) Saves space
  

• B) Improves clarity
  

• C) Increases errors
  

• D) Lowers response rate

How does a pilot study improve reliability?

• A) Identifies issues
  

• B) Reduces bias
  

• C) Speeds data entry
  

• D) Avoids research

Which action improves secondary data reliability?

• A) Use one source
  

• B) Ignore updates
  

• C) Cross-check data
  

• D) Remove duplicates

What is the effect of response bias?

• A) Misleading results
  

• B) Faster surveys
  

• C) Higher costs
  

• D) Easier analysis

Why should forms have clear labels?

• A) Reduce confusion
  

• B) Improve design
  

• C) Lower data needs
  

• D) Hide errors

What makes an interface intuitive?

• A) Complex steps
  

• B) Familiar layout
  

• C) Random colours
  

• D) Slow loading

Why is error validation important?

• A) Rejects mistakes
  

• 
  B) Speeds up input
  

• C) Reduces questions
  

• D) Removes responses

What feature improves accessibility?

• 
  A) High contrast
  

• B) Small fonts
  

• C) Complex layout
  

• D) Hidden menus

How does auto-save improve user experience?

• A) Prevents data loss
  

• B) Increases errors
  

• C) Removes fields
  

• D) Slows responses