Jem wants to return to the Radley yard and fetch his pants so he can stay out of trouble with Atticus. Scout wants Jem to leave the pants where they are and face the consequences with Atticus. With which child do you agree? Why?

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.        

answer; participant observation method;

answer; dr.black,who allows only certain individuals to mate;