Q: How to improve usability for my online course?

A: First - inquire information from your department regarding a usability study.There are usability testing strategies that can help you to identify changes necessary to improve your students' interaction with course materials. Numerous tools are available to address the needs: Mailchimp, IntuitionHQ, and User Testing. You can conduct a brief study to identify strengths and weaknesses of a design. You will learn if students can complete specified tasks and identify how long it takes them to do so etc.

Q: Do you know any effective student response systems for cell phones?

A: With learning/catalytics students use any modern web-enabled device they already have — laptop, smartphone, or tablet to participate in a group activity or test, allowing a teacher to diagnose difficulties when working with students individually. 

Q: I want to learn Analytics to build my online courses in the most effective way. Where to start?

A: this Mindmap will help you to see a big picture and all resources available: http://www.mindomo.com/mindmap/learning-analytics-62e500f49d144638b444cc5f26275e0e