Your question is Packaging Design Preference Test. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You work on a consumer packaged goods team that is considering a new packaging design for an existing product. Early feedback suggests customers may prefer the new look, but the team wants evidence before rolling it out broadly.
How would you test whether the new packaging design improved customer preference? Walk through how you would define success, design the experiment, and decide whether the result is strong enough to ship.