Casual Interpretation of results in a given article has several pitfalls. In order to assess the strengths and limitations of a given article several factors need to be considered. This review article is intended to list, classify and describe briefly the factors that should be considered in the evaluation of an article. The three primary criteria which help in proper assessment of an article are (1) Accurate and adequate description of material and methods; (2) Data on the total sample size and elimination criteria; (3) Statistical methodology employed.