Question

explain why do smaller cells are better efficiency

Answer 1

One of the things that bugs me about 'embodied' cognition research is that the effects, while statistically significant, tend to be small. What this means is that the groups were indeed different in the direction the authors claim, but only slightly, and that the authors had enough people showing the effect to make it come out on average.

Answer 2

My answer is what the first one wrote
I AM VERY SMART