A randomized trial comparing the efficacy of two drugs showed a differebce between the two (p value < 0.005). However, in reality the two drug do not differ. This is an example of-

Social & Preventive Medicine

A randomized trial comparing the efficacy of two drugs showed a differebce between the two (p value < 0.005). However, in reality the two drug do not differ. This is an example of-

A study is to be conducted with regards to the fat content…

'There has been a gradual increase in number of non-communicable disease cases…

All of the following are done to remove Confounding except