Quiz 2 EBP sources/ levels of evidence, writing PICOT question – Flashcards
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Quantitative study
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Inquiry that (1) examines preidentified issues; ( 2) uses designs that control extraneous variables; (3) uses numeric measures to determine levels of various variables; and (4) analyzes data using statistical or graphing methods
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Qualitative research
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Inquiry regarding human phenomena that refrains from imposing assumptions on study participants and situations. Its purposes include exploration, description, and theory generation, (cause and effect, is descriptive)
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Quasi experimental research
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A type of intervention research in which either random assignments to control groups or control over the intervention and setting is not possible
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Randomized control trial (RCT)
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An experimental study that involves advanced testing of an intervention using defined study protocols typically with a large, diverse sample
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Stacks
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the shelving units in the library.
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Database
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A structured, updated collection of informational records about articles, books, and other resources; access to the records is managed with computer software. Some examples are CINHAL, MEDLINE, and PsycINFO
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Ancestral Search
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looking for articles in the reference list in another article
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Systematic review (SR)
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A comprehensive and systematic identification, analysis, and summary of research evidence related to a specified issue. An SR can use statistics, tabulation, compare-and contrast methods, or pattern-identification to reach conclusions based on the body of studies in the review
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Levels of evidence
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classifications for the quality and rigor of the research evidence.
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Grey Literature
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looking for research evidence that has not been published/publicized
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Hand Search
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looking for articles in the table of contents of journals
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Evidence based practice impact model
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step1. ask and search---> step 2 appraise---> step 3design----> step 4 EBP----> step 5 impact
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Three triggers for EBP projects
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1. Clinical practice 2. Quality 3. Professional standards
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What kinds of clinical questions are NOT answerable by Research Evidence
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1.Value and ethical questions
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PICOTS
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P-population I- intervention/ issue C- comparison intervention O- outcome T- Timing S- Setting
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Why do we use pico to search for answers
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To keep project on target and to avoid spending large amounts of time researching, helps formulate focused project questions,
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Level of evidence I
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systematic review or meta analysis
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Level of evidence II
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Randomized controlled trial
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Level of evidence III
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Controlled trial without randomization
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Level of evidence IV
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Case-control or cohort study
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Level of evidence V
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systematic review of qualitative or descriptive studies
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Level of evidence VI
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Qualitative or descriptive study
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Level of evidence VII
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Expert opinion or consensus
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WHY is one type of research a higher level of evidence than another?
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Evidence is ranked according to its reliability according to the type of clinical question asked
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WHY is a guideline higher than any research studies (individual or multiple)?
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It is higher because it is more reliable. This is because it has been formulated by a panel of experts via rigorous analysis of research evidence, where as research studies do not achieve the same level of scrutiny.
