가이드 연계 퀴즈 · 중간 레벨

How to Build a Habit Tracker With AI Quiz

Tests implementation intentions, the Lally study's 66-day median versus the 21-day myth, and COUNTIF formulas for a weekly AI habit review.

질문 1 의 8

A coworker insists habits form in exactly 21 days. Where does the guide say that number usually comes from?