How to be a good reviewer for scientific journal

 Ask the following questions:

a) Do the abstract and introduction clearly identify the need for this research, and its relevance?

b) Are the results presented clearly and logically, and are results justified by the data by the data provided? Are the figures clear and fully described?

c) Does the conclusions justifiably respond to the main questions posed by the authors in the introductions?

Full peer-review document includes:

a) Introduction: Mirror the article, state your expertise and whether the paper is publishable or weather there are fatal flaws;

b) Major flaws;

c) Minor flaws;

d) suggestions and final comments.

Reference:

How to write a thorough peer review