From my own experience, I’ve seen some common reasons why research papers get rejected, especially when trying for reputable journals. One big issue is not following the journal’s specific guidelines; every journal has its own formatting and referencing style, and ignoring that can lead to instant rejection. [size= 16px; white-space-collapse: preserve]Other errors include poor structure or language. Poor grammar, poor sentence structure, or muddled arguments discourage reviewers from taking you seriously. That's why I always suggest using ISI publication editing and proofreading service, they really clean up your paper and make you journal-ready. [/size]Also, don’t rely only on others; use your own judgment too. Always double-check everything, make sure your data is solid, your citations are correct, and your work is original. A little extra effort upfront can save you from rejection later.