Even though Kaden was having a lot of trouble fixing his bike, he did not want Choose... or help from others. Instead, he kept trying and was finally able to succeed on his own.

Time of day.

Explanation:

Independent variable is one that influences another variable (the dependent variable) and directly influences the outcome of a specific hypothesis. To find out which variable is independent of the above research, just ask, what is influencing students to remember the terms of the list they study. According to this question we will realize that the time of day students begin to study the terms of the list influences the memory of these students. Because of this influence, we can conclude that the "time of day" is the independent variable.