Qué se conoció como el Estado Novo

The 28 May 1926 coup d'état or, during the period of Estado Novo, the National Revolution (Portuguese: Revolução Nacional), was a military action that put an end to the chaotic Portuguese First Republic and initiated the Ditadura Nacional (National Dictatorship) (years later, renamed Estado Novo).

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 to ur question is college b