You are designing a plan page
Badge and pre-select the middle tier, and put the price you actually want sold there. Plan for a real but modest lift — think 10–25% more middle-plan share, not a doubling.
Researchers pooled 142 separate experiments and the effect held. Pooled reviews are the most reliable evidence we track — only 16 of our 543 sources reach this tier.
142 experimental observations. The same option is chosen 29–88% more often when positioned as the intermediate choice; magnitude varies up to threefold with presentation format, category and attribute count. For scale, the median study in our library has 729 participants.