criticL numbers 7

Question 1

define critical appraisal

Answer 1

the process of assessing and interpreting evidence by systematically considering its validity, results and relevance to your own context

Question 2

define validity

Answer 2

the soundness or rigour of a study
a study is valid if the way it is designed and conducted means the results are unbiased
therefore it gives a more trustworthy estimate of effect

Question 3

aspects of a study

Answer 3

question
design
conduct
analysis
interpretation
reporting

Question 4

what questions are we asking

Answer 4

did the study addresss clear research questions

we’re appropriate methods used to answer questions

are the results valid and have low risk of bias

are results correctly interpreted

what are the potential implications for practice

Question 5

what is peer review

Answer 5

articles are reviewed by editors and 2-3 reviewers who should have clinical / statistical expertise in that area
they can recommend rejection, major revision minor revision or acceptance
flaws, limitations to address and unclear reporting will often be highlighted at this stage

Question 6

questions to consider when appraising research articles

Answer 6

is the research question clear and focused

is the study design appropriate

what are the strengths and weaknesses

is there potential for bias and has it been addresses

are the analysis methods appropriate

have the results been interpreted correctly

are the findings relevant to your practice

Question 7

what are the PICO / PECO elements

Answer 7

population

intervention or exposure

comparator

outcomes