The sixth and final step to using leaderboards effectively is to evaluate and improve them. Leaderboards are not a one-size-fits-all solution, but a flexible and adaptable tool that can be optimized for your E-Learning course. Therefore, you need to collect and analyze data and feedback from your learners, your instructors, and your stakeholders, to measure the impact and effectiveness of your leaderboards. For example, you can use surveys, interviews, or focus groups to gather learners' opinions and suggestions about your leaderboards. You can also use analytics, metrics, or tests to assess learners' performance and behavior in relation to your leaderboards. You can also use experiments, pilots, or A/B testing to compare and contrast different types of leaderboards or leaderboards settings. Based on your evaluation results, you can then make adjustments and improvements to your leaderboards, to ensure that they meet your learning objectives and learners' needs.