How do we transform responses (1-5) into probabilities (0-100%)?

Created by Steve Hoover, Modified on Fri, Jan 12 at 4:43 PM by Steve Hoover

Many companies specialize in estimating these probabilities based on experience or benchmarking studies. The values provided by default in Enginius (0% 0% 0% 20% 50%) constitute averages that are probably acceptable guesses.


One thing is certain: people often overestimate how certain they are to buy a product or service. This is the reason why only the top 2 choices are usually associated with purchase probabilities above 0%, and why even the ‘Definitely Will Buy’ answer is rarely associated with a probability above 65%.

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