U.S. English Scale - note from a UIUC professor

Optimal Bipolar Rating Scale

<aside> ‼️ 7-point is best

</aside>

7 Point

• Extremely Bad
• Moderately Bad
• Slightly Bad
• Neither Good nor Bad
• Slightly Good
• Moderately Good
• Extremely Good

7 Point

• Dislike a Great Deal
• Dislike a Moderate Amount
• Dislike a Little
• Neither Like nor Dislike
• Like a Little
• Like a Moderate Amount
• Like a Great Deal

If it has to be 5

• Very Poor
• Poor
• Fair
• Good
• Excellent

Optimal Unipolar Rating Scale

• Not at All

• Slightly

• Moderately

• Very

• Extremely

• None at All

• A Little

• A Moderate Amount

• A Lot

• A Great Deal

• Definitely Won’t

• Probably Won’t

• Might or Might Not

• Probably Will

• Definitely Will

• Never

• Sometimes

• About Half the Time

• Most of the Time

• Always

UK vs. US English Scale - YouGov, 2018

US:

UK:

Taiwan - Weng Li-Jen, 1998, Frequency/Agreement/Conformity/Approval Ratings

Usage: Determine the scale (5, 7, 9) and reference the MEAN value.

Frequency (A total of 10 levels, 0-10 times, 11-20 times, 21-30 times, ..., 91-100 times out of 100)

Agreement (A total of 11 levels, most agreeable is +5, most disagreeable is -5)