study where no. of similar people are randomly assigned to 2/more groups to test specific drug/treatment/intervention. 1 group (experimental group) has the intervention being tested, the other (comparison/control group) has alternative intervention/placebo/ no intervention at all.
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Single-blinded study
treatment assignment (to either experimental or control group) is unknown to patients
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double-blinded study
neither the subjects nor the investigators know who is receiving the active treatment
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Triple Blinded Study
The study subjects, investigators, and statistician analysing the data are kept in the dark.
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practice creep
gradual change in practice without founded evidence base
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practice drift
Deviating from standard practice/loss of knowledge despite it existing
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Duty of Care
The duty of all persons to exercise a reasonable amount of care in their dealings with others. Failure to exercise due care is negligence.
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Power relationships & coercion
consent in appropriate setting, issue information in advance of treatment date
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anonymity/confidentiality
Participants privacy must be protected/keep data secure + confidential
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Risk of harm
researchers not put participants in a situation where they might be at risk of harm as a result of their participation/ pt should fully understand + can pull out whenever
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Equity in treatment
participants should be fully aware of risk/benefit of study + option of not participating
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Fully informed consent
Entails giving participants comprehensive info concerning nature + purpose of study + their role in it.
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Access to medical records
pts should be able to see/obtain copies of their medical records + request corrections if they identify errors.
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research
The systematic enquiry of materials + sources to extend knowledge + reach new conclusions.
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service evaluation
evaluation of how well a service is achieving its aims. designed + conducted to define/judge a current service. results can be used to inform local decision making
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Clinical audit
The use of research methods to determine whether existing clinical knowledge, skills and resources are effective and are being properly used/investigating effect care has on outcome + quality of life for pts
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What is methodology?
The process utilised for data collection process
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What is a method?
What was carried out/ Research Design Choices
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paradigm
model e.g., Qualitative Data, Quantitative Data, Mixed Data
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Qualitative Approach
Understand subjective experiences, beliefs, and concepts, emphasizes people's experiences in their own words, and researcher's interpretation of those experiences
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Quantitative Approach
Measure variables, describe frequencies, averages, and correlations, Test hypotheses + effectiveness of new treatment/ program/product
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mixed methods
research approach combining quantitative + qualitative elements; involves measurable data + the individual's subjective response to it.
Multiple methods used to increase the validity of the findings - 'data triangulation'
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Questionnaire
a written set of questions to be answered by a research participant to collect (hopefully) consistent data from many people
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interview
A face-to-face or telephone questioning of a respondent to obtain desired information/Ideas can be explored in-depth with a smaller group
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Survey
a detailed study for gathering information and analysing it.
A change in a subject's behavior caused by the awareness of being studied
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Data Collection Methodologies
Experimental Quasi Experimental Surveys Longitudinal Studies Audits
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experimental design
manipulation of independent variable + measure a dependent variable to determine a cause-and-effect relationship
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quasi-experimental design
compares two groups that already exist in the population/ compare preselected variables to assess impact of variable changes
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longitudinal studies
studies the same variables multiple times over time
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Audits
Measures against Standards/Assesses current practice against guidelines
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independent variable
experimental factor that is manipulated; the variable whose effect is being studied.
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dependent variable
measured variable whose value depends on independent variable.
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confounding variable
a factor other than the independent variable that might impact experiment
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aims and objectives
Aim- expresses intention/aspiration of study Objectives- explains how aims are to be accomplished/SMART
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Cochrane reviews
systematic reviews of primary research in human health care and health policy; currently the highest standard in evidence-based health care. They investigate the effects of interventions for prevention, treatment and rehabilitation.
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meta-analysis
Statistical analysis of trial data from multiple studies; Combining these brings high confidence to the results obtained so practice may change.
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PICO analysis
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Critical analysis
The process of critically evaluating research
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limitations
Limitations are present in every study. in well-designed study these are not "failings" but limits of what the investigation can achieve. understanding these limitations, develops an understanding of potential impact and future research before collecting any data.
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research outcomes and implications
How the finding may be important for policy, practice, theory and future research, supported by the evidence/ study's parameters explained by the limitations/ How will your research affect the targeted participants
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Types of Implications (2)
practical theoretical
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Practical implications
direct impact of the finding on related practices/participants
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theoretical implications
how does it inform or shape theory?
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Research Integrity
is conducting research so that others trust and have confidence in the methods used +the findings that result Creates trust and confidence in the institution, research output and wider research community
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Ethics
Moral standards of behaviour; principles of right and wrong
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Research Ethics
Set of principles governing the research to protect research participants' dignity, rights and welfare. Traditionally based on investigating human experiences, now includes future impact on humans and the environment.
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Virtue
excellence of any kind A virtuous person is right in the middle, able to see + do what is right in the specific situation, and knows how to avoid the extremes of showing too little or too much
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The Nuremberg Code (1946)
set of guidelines for ethical practice in research
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Declaration of Helsinki (1964)
undergone several revisions. shares many basic principles of the Nuremberg Code, but some differences e.g., allowed consent by a legal guardian if the research participant can't consent.
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misconduct
falsification
fabrication
misinterpretation
plagiarism
manipulation/malicious accusation
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SMART
specific measurable achievable reliability time-bound