They can if rewards become the main reason to read. Recognition that celebrates effort, consistency, and trying new things tends to reinforce a reader's own motivation rather than replace it. Rewards that point back to reading, like extra time for independent reading or choosing the next read-aloud, keep the focus on books.
Individual leaderboards can discourage readers who feel they will never reach the top. Team, classroom, or community leaderboards based on minutes or participation are a better fit because every reader's effort helps the group move forward.
A reading streak counts the number of days in a row a reader has logged reading. Streaks work because they reward small, consistent actions, which is how lasting habits form. A short daily goal, like 10 or 15 minutes, keeps streaks achievable for readers of all ages and levels.
Yes. Teens and adults often respond well to personal goals, streaks, and community challenges, especially when the design feels respectful rather than childish. Many libraries use reading challenges to engage community members of all ages, from early literacy programs to adult winter reading.