Systematic (searching for a) Review
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Systematic (searching for a) Review
June 26, 2014
Universiteitsbibliotheek
Specialist Wetenschappelijke InformatiePsychology
Child Development and EducationAnthropology
Janneke Staaks
j.staaks@uva.nl@jstaaks
3
Evidence based practice
Literature review
“take a simmering topic, extract the juice of an argument, add the essence of one filing cabinet, sprinkle liberally with your own publications and sift out the work of noted detractors or adversaries” https://w
ww
.flickr.com/photos/litlnem
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https://www.flickr.com/photos/rachelandrew/178930904
From research question to search question Systematic search Screening
inclusion/exclusion criteria Critical appraisal
validity/relevance Data synthesis
The systematic review process
From research question to search question PICO(S)
Population Intervention (or exposure) Comparison Outcome Study
From research question to search question
SPICE Setting – Where? In what context? Perspective – For who? Phenomenon of Interest – What? Comparison – what else? Evaluation – How well? What result?
Development of children from mothers with epilepsy (anti-epileptics during pregnancy)
Population Intervention/Exposure Comparison Outcome Study
https://www.flickr.com/photos/erin_ryan/2718885808
What is the effect of taking antiepileptics while pregnant on child development?
Population: Pregnant women with epilepsy Intervention: anti-epileptics Comparison: none Outcome: child development Study: cohort studies and observational
research
Key concepts
Does it matter?
Pregnancy outcomesAND
Anti-epileptics
PregnancyAND
EpilepsyAND
Development
Does it matter?
Pregnancy outcomesAND
Anti-epileptics
3.636 results 6.709 results
PregnancyAND
EpilepsyAND
Development
Protocols
Centre for Reviews and Dissemination Guidance: Systematic Reviews: CRD's guidance for
undertaking systematic reviews in health care Campbell Collaboration
The production of a systematic review PROSPERO database
Guidelines
PRISMA statement Preferred Reporting Items for Systematic Reviews and
Meta-Analyses Equator network
Reporting guidelines E.g. ENTREQ for synthesis of qualitative research See www.equator-network.org/
Systematic searching
General - specific ethnic minority or Asian physiological measures or cortisol
Synonyms and related terms social phobia or social anxiety or blushing
Acronyms Major Depressive Disorder or MDD
Search terms
Spelling US – UK: behavior or behaviour Single - plural: child or children Verb tenses: cry, crying or cried etc
Opposites fertility or infertility
Historical language Changes in DSM Countries
Search terms
Abstract There is ample evidence for the existence of an association between sleeplessness and worry. Not much is known, however, concerning the nature of this relationship. Therefore, a study was conducted investigating the causal relationship between sleeplessness and nocturnal worry. A 2 x 2 (Worry x Induced sleeplessness) analysis of covariance design was used. The first factor consisted of a subject variable defined by scoring either high or low on a trait measure of worry (the Penn State Worry Questionnaire) and the second factor consisted of 300 mg caffeine or placebo. A total of 96 female undergraduate students participated. The dependent variables comprised measures of nocturnal worry (the Night-Time Thoughts Questionnaire) and subjective and objective sleep parameters. Overall, caffeine caused an increase in nocturnal worry and sleeplessness. A significant interaction effect occurred between Worry and Induced sleeplessness on one of the objective sleep parameters, but no other interaction effects were significant. The results suggest that worry may occur as an epiphenomenon of sleeplessness.
Subject Headings
*Anxiety*Caffeine*Cognitions*Insomnia
Database: PsycINFO
Night-time thoughts in high and low worriers: Reaction to caffeine-induced sleeplessness
Wildcards
depression
depressive
depressed
depress*depressogenic
depressiedepressotypic
Test
snake fear 54"snake fear"snake AND fear
famil* 295.000family OR families 253.0001 NOT 2
54387
Free text terms title, abstract etc. sleeplessness.ti,ab. (Medline - OvidSP) sleeplessness[tiab] (Pubmed)
Controlled vocabulary Subject headings, Mesh terms, thesaurus etc. Insomnia/ (PsycINFO) "Sleep Initiation and Maintenance Disorders "/ (Medline)
Search terms
Tip: finding more search terms
(Medical) Subject Heading
Sleep initiation and maintenance disorders
8.816
Title + abstract sleeplessness 483Title + abstract sleep disorder 1.825
1 NOT (2 OR 3)
Database: Medline/Pubmed
8.496
Combining your search terms
Boolean Operators
OR AND NOT
Idiom* ADJ4 distress Idiom of distress Idioms of psychological distress Distress idioms Idioms of wellness and distress Idioms through which emotional distress is expressed
Adjacency searching*
*Databases: OvidSP (e.g. Medline PsycINFO)
Adjacency searching
*Databases: OvidSP (e.g. Medline PsycINFO)
Combining your key concepts
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
parent*OR
child*OR
family
694.000 titles
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
role reversalOR
role conflict
694.000 titles
parent*OR
child*OR
family
3.200 titles
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
immigra*OR
ethnic
82.000 titles
role reversalOR
role conflict
parent*OR
child*OR
family
694.000 titles 3.200 titles
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
immigra*OR
ethnic
role reversalOR
role conflict
parent*OR
child*OR
family
AND AND
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
parent*OR
child*OR
family
role reversalOR
role conflict
immigra*OR
ethnic
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
You searched a database and found far too few results. How can you broaden your search and increase the search results? Choose the three right answers from the following.A. Add search terms and combine with AND.B. Search more fields, for example "words in abstract".C. Limit to the most recent publications.D. Combine the search terms with OR.E. Use different search terms, for example synonyms.
immigra*OR
ethnic
parentsORchildOR
family
role reversalOR
role conflict
36 titles
694.000 titles 3.200 titles 82.000 titles
De rolwisseling tussen ouders en kinderen in allochtone gezinnen
Databases
Medline - Pubmed
Life sciences and biomedical information
Other Databases
Health care Embase, PsycINFO, CINAHL Sportdiscus, Pilots, LILACS Cochrane Library
Sociology Sociological Abstracts, IBSS, SocIndex, Campbell Library
Other ERIC, Linguistic and Language Behavior Abstracts (LLBA) Web of Science, Google Scholar
Google Scholar search query
Maximum of 1000 search results Screen first 200-500 results and report date and search query
Maximum of 200 characters per query OR can be replaced by vertical line (above Enter on your keyboard) AND is the default combination; use " " for phrases Less need for word variations
parents | children | family "role reversal" | "role conflict" immigration | ethnic
Other complementary search strategies Citation tracking
Web of Science and Google Scholar (cited by..) Systematic reviews and meta-analyses Authors
Hand searching Journals Conference proceedings
Consulting experts
Challenges
Books Worldcat, Picarta, Google Books
Grey literature What: reports, conference proceedings, dissertations Where: websites, repositories..
E.g. Afrika Studies Centre Leiden Other languages
https://en.wikipedia.org/wiki/Batgirl#mediaviewer/File:Batgirls.jpg
42
Reference manager software
https://www.flickr.com/photos/sherlock77/416909735
RefworksReference Manager
Endnote
Publication Bias
Statistics Unpublished research
Contacting authors Clinicaltrials.gov International Clinical Trials Registry Platform (ICTRP) from the World Health
Organization (WHO) Grey literature
Dissertations Conference Proceedings
https://www.flickr.com/photos/rdennis/11948643
Questions?
Extra information
Source: http://www.scielo.br/img/revistas/reeusp/v45n5/en_a33fig1.jpg
Further reading - General
Booth, A., Papaioannou, D., & Sutton, A. (2011). Systematic approaches to a successful literature review. SAGE Publications Limited.
Gough, D., Oliver, S., & Thomas, J. (2012). An introduction to systematic reviews. Sage Publications
Systematic searching for reviews (online tutorial, VU university)
Further reading – Qualitative research
Hannes, K., & Lockwood, C. (2011). Synthesizing qualitative research: Choosing the right approach. John Wiley & Sons.
Michael Saini, Aron Shlonsky (2012) Systematic Synthesis of Qualitative Research. Oxford University Press. 978-0195387216
Harris Cooper (2010) Research Synthesis and Meta-Analysis. A Step-by-Step Approach Fourth Edition. Sage
Pope, C., Mays, N. & Popay, J. (2007). Synthesizing qualitative and quantitative health evidence. A guide to methods. Open University Press
Dixon-Woods M, Agarwal S, Young B, Jones D, Sutton A. (2004) Integrative approaches to qualitative and quantitative evidence. London: Health Development Agency
More..
Filters for qualitative research – ISSG Search Filters Resource
Goodyear-Smith, F. A., van Driel, M. L., Arroll, B., & Del Mar, C. (2012). Analysis of decisions made in meta-analyses of depression screening and the risk of confirmation bias: A case study. BMC medical research methodology, 12(1), 76 http://www.biomedcentral.com/1471-2288/12/76
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