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The Search Process:  Step 2 - Developing a Good Search Strategy
 

The Search Process: Step 2 - Developing a Good Search Strategy

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This presentation discusses how to develop a good search strategy. It is intended to be used with videos on the VCU Nursing Research Guide.

This presentation discusses how to develop a good search strategy. It is intended to be used with videos on the VCU Nursing Research Guide.

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  • It ties you to controlled vocabulary, filters you to the most relevant terms

The Search Process:  Step 2 - Developing a Good Search Strategy The Search Process: Step 2 - Developing a Good Search Strategy Presentation Transcript

  • THE SEARCH PROCESSStep 2: Formulating Your Search Strategy
  • The Search Process2.5. Evaluatethe Results6. Good Results = Use the Data• Bad = Start Over3. Choose the appropriatedatabase(s) or resource foryour topic4. Perform theSearch1. Problem/ ConstructQuestionImage: http://evidencebasedhealth.blogspot.com/Formulate Your SearchStrategy• Synonyms for Search Terms• Subject Heading vs. Keyword• Boolean Operators & Limits
  • KEYWORDS VS. SUBJECTHEADINGSSubject Headings = Controlled Vocabulary
  • DESCRIBE THEFOLLOWING ITEM
  • Person 1• Aluminum Can• Coke Can• Can withCondensation• Soda CanPerson 2• Pop Can• Soda Can• Can That is Sweating• Red Aluminum CanPerson 1• Aluminum Can• Coke Can• Can withCondensation• Soda Can• Red CanPerson 2• Pop Can• Soda Can• Can That is Sweating• Red Aluminum CanDescribe This Can ……
  • Keyword• Also called natural language searching• Search for words or phrases found in title, abstract, orother parts of articles• Keyword searching used for• New terminology• Rare terms• Other terms that have no related subject heading• Spelling variations• Truncation - Train*• Trained, Trainer, Training, etc.• Grouping Using “Guided Imagery”• Use Quotation Marks• Without Quotes – AND Terms TogetherPerspectiveSynonyms
  • WHERE THEDATABASE SEARCHESFOR KEYWORDSIn the Citation
  • All searched when searching bykeyword
  • All Places that are searched whendoing a keyword search in PubMed
  • SUBJECT HEADINGS/CONTROLLEDVOCABULARYMeSH - PubMedCINAHL Headings - CINAHL
  • Pepsi CokePopSoda SodaPopSubject Headings/ Controlled Vocabulary• Controlled Vocabulary – Thesaurus• Help to return results that directlyapply to subject of the search• Hierarchy – Tree Structure• Broad –Specific• Minor / Major Heading• Major Heading - Focuses your searchresults to returning articles thatspecifically address the topic• PubMed – have stars beside them• CINAHL – Divided into Major & MinorHeadings• Scope Note – Term DefinitionSoftDrink
  • Examples of HierarchyPubMed CINAHL
  • May need to move backward in order to moveforward……
  • Good Choice• Broad• Commonalitiesbetween peopleIssue: Breastfeeding practices ofadolescent mothers in Vietnam.Too Broad10Articles
  • WHERE THEDATABASE SEARCHES FORSUBJECT HEADINGSIn the Citation
  • Subject Heading Field in CINAHL
  • Subject heading field in PubMed
  • BOOLEAN OPERATORSAND, OR, NOT
  • Boolean Operators - AND• Combines concepts• Relationship• Retrieves records thatcontain BOTH termsenteredSoda Pop WeightGain
  • Boolean Operators - OR• Combines synonyms orlike concepts• No RelationshipNecessary• Retrieves records thatcontain EITHER termenteredCoke Pepsi
  • When Searching………..Combining Terms TogetherGroup 1CombineTerms with ORGroup 2Combine Termswith ORAND ANDGroup 3Combine Termswith OR
  • Fibromyalgia Therapeutic Touch Guided Imagery"Fibromyalgia“[Subject Heading]OR"Fatigue Syndrome,Chronic“[Subject Heading]ORFibromyalgia[Keyword]ORChronic FatigueSyndrome[Keyword]“Therapeutic Touch “[Subject Heading]ORTherapeutic Touch[Keyword]ORMassage[Keyword]"Imagery(Psychotherapy)“[Subject Heading]ORGuided Imagery[Keyword]ORHypnosis[Keyword]Good Search – Combination of SubjectHeadings and KeywordsAND AND
  • Keep in Mind……Break Your Search into Concepts –Don’t Marry Early/ Let Them Date!!!!Start Your Search Broad and Then Focus –Don’t Put Blinders on the Horse Too Soon !!Be sure to come up with alternative orrelated terms for your topicAlways search in at least two databases.
  • WAYS TO INCREASEOR DECREASERESULTSExploding, Subheadings, Limits
  • Explode Option: Increases NumberIncludes Chosen Termand All of those Below itin the treePubMed – DoneAutomaticallyCINAHL – MustChoose to Explode ATerm
  • Subheadings
  • Using Limits• Language• Age Group• Time Period/ Date• Gender/Sex• Publication Type• Systematic Reviews• Meta Analysis• Randomized Control Trials• Practice Guidelines• Reviews
  • Not Finding Enough?Ways to Expand Your ResultsFinding Too Many Articles?Ways to Focus Your Results(Ways to Get More Articles)Try To :• Explode Your Terms• Keyword Searching• Look At Related or CitingArticles(Ways to Get Fewer Articles)Try Using:• Major Concept/Subject• Subheadings• LimitsOther Things to Think About…..