How to Conduct a Literature Search

How to Conduct a Lit Review Robin Featherstone Clinical Medicine Librarian [email_address]

What’s a Research Lit Review? ,[object Object],[object Object]

Why would you have to conduct one? ,[object Object],[object Object],[object Object],[object Object],[object Object]

7 tasks in the Research Lit Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why do I need a research question? ,[object Object],[object Object],[object Object]

Scenario ,[object Object],[object Object]

Questions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How questions influence search results Relevancy Retrieval (# of search results) Broad Questions Narrow Questions High = lots of articles Low = very few articles High = directly relevant articles Low = mostly irrelevant articles

Lit reviews depend on data from seven sources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

To find databases... ,[object Object],[object Object],[object Object]

Selecting sources ,[object Object],[object Object]

Some places to search ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Breaking down your question ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why do I have to select a database first? ,[object Object],[object Object],[object Object]

Different databases have different subject headings ,[object Object],[object Object],[object Object],[object Object],Database Subject Headings Medline MeSH EMBASE EMTREE CINAHL CINAHL Headings Cochrane Library MeSH Web of Science N/A Scopus N/A

Identifying concepts ,[object Object],[object Object],[object Object],[object Object]

Ovid MEDLINE search terms Concept #1 Concept #2 Concept #3 Subject Headings Keywords AND AND OR Hypertension [MeSH]+ Diabetes Mellitus, Type 1 [MeSH]+ Blood Pressure Monitoring, Ambulatory [MeSH] OR OR OR OR Hypertensi$.mp. (Diabetes mellitus adj5 (type 1 OR insulin?dependent OR juvenile?onset OR sudden?onset)).mp. ((blood pressure OR BP) adj2 (monitor$ OR test$) adj5 (home OR self OR ambulatory)).mp. OR ((high OR elevated) adj2 (blood pressure OR BP)).mp. Iddm.mp. OR OR

Some key operators in Ovid Note: These are recommended operators for research lit reviews. There are many, many more operators... Use Ovid‘s Help menu to locate them. Operator Command $ Truncation (finds alternate endings) ? Wildcard (finds alternate spellings) .mp. Mapping Alias (tells Ovid to search for your term in the Title, Abstract, Subject Headings, Table of Contents and Key Phrase Identifier fields) – useful for lit. reviews because it is broad () Parentheses control the order of search operations Adj Adjacency operator (can be followed by a number) tells Ovid terms must appear adjacent to one another AND all terms must appear in results OR any terms will appear in results

Running your search(es) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Running your search(es) Search #2 = Search #3 = Search #4 = Search #5 = #1 OR #2 OR #3 OR #4 Search #1 = Concept 1 Search #6 = Search #7 = Search #8 = Search #9 = Concept 2 Search #10 = #6 OR #7 OR #8 OR #9 Search #11 = #5 AND #10 Results

Please complete the following search in Ovid Medline AND AND OR Hypertension [MeSH]+ Diabetes Mellitus, Type 1 [MeSH]+ Blood Pressure Monitoring, Ambulatory [MeSH] OR OR Hypertensi$.mp. (Diabetes mellitus adj5 (type 1 OR insulin?dependent OR juvenile?onset OR sudden?onset)).mp. ((blood pressure OR BP) adj2 (monitor$ OR test$) adj5 (home OR self OR ambulatory)).mp. OR ((high OR elevated) adj2 (blood pressure OR BP)).mp. Iddm.mp.

Applying practical & methodological screening criteria

Screening ,[object Object],[object Object],[object Object],[object Object]

Practical Screening Criteria – some examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Methodological Screening Criteria - some questions to ask ,[object Object],[object Object],[object Object],[object Object],[object Object]

Applying Screens (or limits) ,[object Object],[object Object]

Apply Practical Screens ,[object Object],[object Object],[object Object]

Moving to another source ,[object Object],[object Object],[object Object]

Hand searching and final steps ,[object Object],[object Object],[object Object],[object Object],[object Object]

Working with your results ,[object Object],[object Object],[object Object]

Use your results to... ,[object Object],[object Object],[object Object],[object Object],[object Object]

Recap ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions Robin Featherstone Clinical Medicine Librarian [email_address]

How to Conduct a Literature Search

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