“In an ideal world peer review should be an open supportive and
collaborative process by which a group of independent scientists assess the
quality of a body of research”.
Here's some tips, from Michael Markie at F1000, and Laura Henderson at
Frontiers journal publishing, on what peer review is, how it works, and how
to be a good peer reviewer.
The aim should always be: to help make good research shine through good
peer review practices - use your expertise to help!