What were public schools in new england set up to do? a) prepare students for the clergy b) prepare girls for the duties of a family c) prepare boys for college d) prepare students to be business leaders

the answer is c)

prepare boys for college

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; genetics;