is hand movement a correlated variable how do you measure time taken on an ice-a-day surgery when controlling for movement what variable has a direct correlation with time? what is the relationship between patient movements and time taken why are surgical movements correlated with time which variable controls the number of hand movements made what is the correlation between time taken and the number of motions made how is time correlated with movement why would we control for movement and time how to control for time in hand movements when controlling for time, the number of hand movements significantly compares with surgical experience what is the correlation between time and movement can the number of hands be adjusted independently does hand movement affect time can you control for time and movement in the same study? which statement describes the relationship between hand movements over time? does time depend on movements how do you control for motion on surgery does time affect movement