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.
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The Search Process: Step 2 - Developing a Good Search Strategy
- 1. THE SEARCH PROCESS Step 2: Formulating Your Search Strategy
- 2. The Search Process 2. 5. Evaluate the Results 6. Good Results = Use the Data • Bad = Start Over 3. Choose the appropriate database(s) or resource for your topic 4. Perform the Search 1. Problem/ Construct Question Image: http://evidencebasedhealth.blogspot.com/ Formulate Your Search Strategy • Synonyms for Search Terms • Subject Heading vs. Keyword • Boolean Operators & Limits
- 3. KEYWORDS VS. SUBJECT HEADINGS Subject Headings = Controlled Vocabulary
- 5. Person 1 • Aluminum Can • Coke Can • Can with Condensation • Soda Can Person 2 • Pop Can • Soda Can • Can That is Sweating • Red Aluminum Can Person 1 • Aluminum Can • Coke Can • Can with Condensation • Soda Can • Red Can Person 2 • Pop Can • Soda Can • Can That is Sweating • Red Aluminum Can Describe This Can ……
- 6. Keyword • Also called natural language searching • Search for words or phrases found in title, abstract, or other 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 Together Perspective Synonyms
- 7. WHERE THE DATABASE SEARCHES FOR KEYWORDS In the Citation
- 8. All searched when searching by keyword
- 9. All Places that are searched when doing a keyword search in PubMed
- 10. SUBJECT HEADINGS/ CONTROLLED VOCABULARY MeSH - PubMed CINAHL Headings - CINAHL
- 11. Pepsi Coke Pop Soda Soda Pop Subject Headings/ Controlled Vocabulary • Controlled Vocabulary – Thesaurus • Help to return results that directly apply to subject of the search • Hierarchy – Tree Structure • Broad –Specific • Minor / Major Heading • Major Heading - Focuses your search results to returning articles that specifically address the topic • PubMed – have stars beside them • CINAHL – Divided into Major & Minor Headings • Scope Note – Term Definition Soft Drink
- 12. Examples of Hierarchy PubMed CINAHL
- 13. May need to move backward in order to move forward……
- 14. Good Choice • Broad • Commonalities between people Issue: Breastfeeding practices of adolescent mothers in Vietnam. Too Broad 10 Articles
- 15. WHERE THE DATABASE SEARCHES FOR SUBJECT HEADINGS In the Citation
- 16. Subject Heading Field in CINAHL
- 17. Subject heading field in PubMed
- 18. BOOLEAN OPERATORS AND, OR, NOT
- 19. Boolean Operators - AND • Combines concepts • Relationship • Retrieves records that contain BOTH terms entered Soda Pop Weight Gain
- 20. Boolean Operators - OR • Combines synonyms or like concepts • No Relationship Necessary • Retrieves records that contain EITHER term entered Coke Pepsi
- 21. When Searching……….. Combining Terms Together Group 1 Combine Terms with OR Group 2 Combine Terms with OR AND AND Group 3 Combine Terms with OR
- 22. Fibromyalgia Therapeutic Touch Guided Imagery "Fibromyalgia“ [Subject Heading] OR "Fatigue Syndrome, Chronic“ [Subject Heading] OR Fibromyalgia [Keyword] OR Chronic Fatigue Syndrome [Keyword] “Therapeutic Touch “ [Subject Heading] OR Therapeutic Touch [Keyword] OR Massage [Keyword] "Imagery (Psychotherapy)“ [Subject Heading] OR Guided Imagery [Keyword] OR Hypnosis [Keyword] Good Search – Combination of Subject Headings and Keywords AND AND
- 23. 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 or related terms for your topic Always search in at least two databases.
- 24. WAYS TO INCREASE OR DECREASE RESULTS Exploding, Subheadings, Limits
- 25. Explode Option: Increases Number Includes Chosen Term and All of those Below it in the tree PubMed – Done Automatically CINAHL – Must Choose to Explode A Term
- 26. Subheadings
- 27. Using Limits • Language • Age Group • Time Period/ Date • Gender/Sex • Publication Type • Systematic Reviews • Meta Analysis • Randomized Control Trials • Practice Guidelines • Reviews
- 28. Not Finding Enough? Ways to Expand Your Results Finding Too Many Articles? Ways to Focus Your Results (Ways to Get More Articles) Try To : • Explode Your Terms • Keyword Searching • Look At Related or Citing Articles (Ways to Get Fewer Articles) Try Using: • Major Concept/Subject • Subheadings • Limits Other Things to Think About…..
Notes de l'éditeur
- It ties you to controlled vocabulary, filters you to the most relevant terms