In which sector do you want to work in future for the development of the country and why

in upsc because this is the best sector for development of country.

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.        

we need an attachment to see what you are talking about.