Lets say I run an experiment testing accuracy of hitting targets of two different sizes. I have 10 participants and 40 targets, 15 small and 25 large. I then have the number of misses for each target recorded.
So I end up with 150 small target scores and 250 large target scores. I want to see if there is a difference in the number of misses on small targets vs large targets. Is the degrees of freedom based on the total number of measurements, 150 and 250? Or is it based off of the number of participants, 10?