A. It calculates elapsed time more accurately
Answer:
Thanks to the advances in quantitative synthesis -which has to do with analysis of meta data-, and group judgement methods, there are new methods available to us to make a conclusive summary of available knowledge and sometimes using such data to accurately predict the future.
Other methods such as cost-effectiveness analysis (CEA) and cost-benefit analysis (CBA) help to introduce the economics side of such research.
How many answer choices can you choose, is it just one?
When you are doing exactly at the moment not what you did yesterday,or what you are going to do tomorrow but at the very moment.