Choosing where to submit is as much a part of the research process as the writing itself. A strong manuscript submitted to the wrong journal often gets rejected quickly, not on merit but on fit.
Read the scope statement literally
A journal's "aims and scope" page describes the subject areas, methodologies, and sometimes the geographic or disciplinary focus it publishes. It's worth comparing this directly against your manuscript's actual content, not just its general field.
Look at what the journal has recently published
Scanning several recent issues gives a more concrete sense of scope than the aims-and-scope page alone - the kind of studies, methods, and article types the journal actually accepts in practice.
Check the publishing model and requirements
Confirm whether the journal is subscription-based, open access, or hybrid, and note any article-processing charges. Author guidelines also cover practical submission requirements - word limits, reference style, and required supporting documents - that are worth checking before you invest time in formatting.
Consider readership, not just subject area
Two journals can cover the same broad field but serve different audiences - one more clinical, another more methodological, for example. Thinking about who you want to reach can narrow the choice as much as subject matter does.
Matching scope well doesn't guarantee acceptance, but it does mean your manuscript is being judged on its merits by reviewers who work in the right area - rather than being screened out before review even begins.