<prompt> 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 -Paired t testUnpaired t testChisquare TestMcNemar Test  <response>: Ans. is a i.e., Paired t test The recommended test for within group comparisons such as comparison between Pre-intervention and Post-intervention values of the same group such that every paicipant is in both groups is the paired t test Dependent I test. 