Research shows that are predisposed to being pragmatic, capable of lying to achieve personal goals, more likely to win in win-lose situations, and more likely to persuade than be persuaded.

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.        

b. the american revolution

answer; had found a new hobby//geocaching; just for gp plz check i believe this is correct good luck;