Mla format is especially being used by psychology students because this format does not permit biases to happen in the paper.  There are specific guidelines that the one who uses it must adhere to. 

Before making your research paper, it is best to also make MLA Format Research Paper Outline before you proceed to your working on your paper.  An outline gives you your backbone for your research paper.  It guides you on what to write next or the topics that you need to research on and write about.  Writing for the paper does not have to be chronologically too.  You just have to know which part of your research goes where so as not to get you confused as well. That is why an outline is useful.