Question

A lab is conducting a test to see if people prefer cola A or cola B. The steps in the test are outlined below:

Step 1. Recruit one hundred volunteers and tell them the purpose of the study.
Step 2. Give them cola A and ask them to tell how delicious it is.
Step 3. Give them cola B and ask them to rate the flavor.
Step 4. Reveal which cola they preferred.

Which step could lead to biased results?

Answer 1

Step 2

Explanation:

Thanks to the use of positive words it may result in a biased answer.

Answer 2

Step 2 because what if they didn't think it was delicious....