Question

evaluate the two major approaches observational and experimental used in analytical studies.

Answer 1

In observational approach the Ansy investigator observe and measure but not interven, means on the basis of data that they gather during the observation the investigatorem only make Predictions and correlate a to the Condition with facts. In this approach two methods are lused A Descriptive Based on asking Questions B) Analytical individuals are evaluated. * Experimental approach - A involve Some action, | intervention or manipulation such as application or withdrawl of the suspected Cause or changing the Variable in experiment. I is done to provide "Scientific Broof - of etiological factors to provide the method of measuring the effectiveness of health Services for any facility A Provide a new opportunity to search the new and hidden facts of any study