historical perspective is often useful, good practice with reference,definitions can be included here 2. indicate what is to be covered.. essay2 break information down into within studies and between studies a. state the findings b.do this by collection research articles that have similar finding and contrasting them with articles that have different findings, c. critically analyse, d. point out similarities and differences between studies. in between studies, focus on the similarities between studies and contrast with differences, point out the issue with the above regarding reliability and validity of the research.