Today, I learned some details of java.util.logging, understanding it's main components and basic usages. I also discussed my designing with Ronnie and Natalie to clarify some questions, especially whether my experiments can increase the cognitive load to the expected levels. They gave some suggestions about what data to collect in the pilot study.
I also edited a draft of my presentation next week and refactored the experiment code. I think tomorrow I should finish the draft slide and understand the working principle of "listener".