Amount of Alcohol consumption amongst a group of Alcoholics, before and after intervention was recorded. The most appropriate statistical test to assess ‘significant change’ from the intervention programme would be –

Social & Preventive Medicine

Amount of Alcohol consumption amongst a group of Alcoholics, before and after intervention was recorded. The most appropriate statistical test to assess ‘significant change’ from the intervention programme would be –

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