Was the new deal a good deal

Explanation:

The New Deal was responsible for some powerful and important accomplishments. It put people back to work. It saved capitalism. It restored faith in the American economic system, while at the same time it revived a sense of hope in the American people

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.