Coach Kenny wants to improve his players' variable skill such of shooting a basketball from different places on the court. Research suggests that he should have them shoot how? .

of what agreement it does not show

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

i am pretty sure it is d.

answer; john locke;