Table 2.

Items for measuring subjective flow experience.

Item 1	I would love to solve math calculations of that kind again
Item 2	I was strongly involved in the task
Item 3	I was thrilled
Item 4	The task was boring
Item 5	I had the necessary skill to solve the calculations successfully
Item 6	Task demands were well matched to my ability
Item 7	During the task, I was concerned with other task-irrelevant issues
Item 8	During the task, my consciousness was completely focused on solving the math calculations
Item 9	The task was challenging
Item 10	I was heading toward the goal
Item 11	Subjective experience of time