One of the main things you do in research is review literature - and it's extremely important at this stage that you understand how to avoid plagiarism and how to appropriately cite your sources.
"If you need motivation to really practice these skills in earnest, the optional resources may help. Personally, knowing I could be kicked out of my graduate programs for stealing intellectual property was enough for me to finally get the hang of it all my 1st year in my PhD program, but I wish I had practiced sooner. It definitely made that first year more stressful to not be confident in my paraphrasing skills." - Dr. B
Take the appropriate level certification test found at this page. You will need to register first, be sure to save that information in case you need it later.
Understand why these skills are so vitally important by reading some words by:
Recommended Tools (from Dr. B's Lab Students):