Search across guide titles, topics, keywords, and content throughout the Researcher's Field Guide.
Showing 76–100 of 851 results
You usually need some engagement with the literature before finalizing a research question, but you do not necessarily need a complete literature review first. In many studies, searching, reading, and question development proceed iteratively.
Read Guide →More searching is not automatically better searching. A literature search can become disproportionately comprehensive when additional sources and search routes add substantial workload without meaningfully improving the evidence needed for the question.
Read Guide →A thesis or dissertation needs a defensibly thorough literature search, not an impossible search for every publication. Learn what adequate coverage looks like and when you can reasonably stop searching.
Read Guide →A narrative review does not normally require the exhaustive search expected of a systematic review, but that does not make informal or selective searching acceptable. Search broadly and transparently enough to support a balanced, credible synthesis.
Read Guide →A librarian-designed search is particularly valuable when missing relevant evidence could affect a systematic review, strong absence claim, high-stakes research decision, or complex interdisciplinary search. Not every literature search requires specialist design.
Read Guide →A good research question is written to express what you want to know, not necessarily how a database stores that knowledge. Learn how to translate your question into searchable concepts without losing its meaning.
Read Guide →Not every concept in a research question should automatically become a required search term. Learn how to decide which concepts belong in your search and which may make it unnecessarily restrictive.
Read Guide →Complex research questions rarely translate neatly into one database query. Learn how to separate a question into meaningful concept blocks while avoiding a search that becomes unnecessarily restrictive.
Read Guide →Searching your entire research question as one exact phrase may seem precise, but it can easily miss relevant literature. Learn when phrase searching helps and when to search by concepts instead.
Read Guide →Your first literature search usually should be broad enough to reveal the terminology and shape of the literature, but not so broad that the results become meaningless. Learn how to find a useful starting point and refine it deliberately.
Read Guide →A small result set does not necessarily mean your literature search is too narrow. Learn how to detect when restrictions, missing terminology, or excessive concept blocks are causing relevant studies to disappear.
Read Guide →There is no universal five-year or ten-year rule for a literature search. Your date range should follow from the research question, history of the topic, eligibility criteria, and purpose of the search.
Read Guide →A literature search is difficult to reproduce if you record only the keywords or database names. Learn what to save while searching so the strategy can later be reported, checked, updated, and rerun.
Read Guide →A broad search can protect against missing evidence, but breadth has costs. When the search or underlying eligibility criteria become too broad, irrelevant retrieval and substantive heterogeneity can make the literature difficult to screen, compare, and interpret.
Read Guide →A search strategy should usually be tested before it becomes your final search. Piloting can reveal missing terminology, faulty Boolean logic, excessive noise, and known relevant studies that your planned strategy fails to retrieve.
Read Guide →Subject-specific and multidisciplinary databases serve different purposes in literature searching. Learn how their coverage, indexing, and search features differ and when your research may benefit from using one or both.
Read Guide →Google Scholar is an excellent scholarly discovery tool, but whether it is enough depends on the purpose and rigor of your literature review. Learn when to use it alone, when to supplement it, and why search coverage matters more than the number of databases searched.
Read Guide →A database can be enormous and still provide weak coverage of your particular field. Learn how to evaluate subject coverage, journals, publication types, years, languages, and known relevant literature before relying on it.
Read Guide →Preprint servers can reveal recent research before journal publication, but preprints have usually not completed formal peer review. Learn when searching them adds value and how to use their findings responsibly.
Read Guide →Important evidence does not always appear in academic journals. Learn where to find government reports, policy documents, official statistics, technical reports, and other nonjournal research and how to evaluate what you find.
Read Guide →Research databases do not represent every discipline or scholarly tradition equally. Differences in publication formats, indexing practices, source selection, and disciplinary communication can substantially affect what a database makes visible.
Read Guide →Relevant studies may use an acronym instead of a full term, a different spelling, or another form of the same word. Whether you need to search every variation explicitly depends on the terminology and how the database processes your query.
Read Guide →Searching a term in the title, abstract, or keyword fields does not produce the same search. Each field represents an article differently, so choosing where to search can change both how much literature you retrieve and how relevant it is.
Read Guide →Parentheses tell a database which search terms belong together before different parts of a query are combined. They become especially important when AND and OR appear in the same search because missing or misplaced parentheses can change which records are retrieved.
Read Guide →Few or zero search results do not necessarily mean that no research exists. Diagnose whether your terminology, Boolean logic, fields, phrases, filters, subject headings, or database choice are making the search too restrictive before concluding that the literature is sparse.
Read Guide →