Explain how emotion can influence an organism's behavior.

One way that behavior is affected by emotions is through motivation, which drives a person's behavior. ... Emotions can also affect our behavior directly, as in the case of aggression, or behavior that is focused on hurting others.

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; /// i believe the correct answer is general act charters;