Critically evaluate research paper

The investigator and the journal publishing the article are thus obliged to ensure that decisions on important issues can be taken in full knowledge of all valid, scientifically substantiated findings.

If necessary have appropriate post-hoc analyses been performed?

how to evaluate a research paper

Besides the medical content of a publication, its interpretation and evaluation also require understanding of the statistical methodology. Do the authors of the article you hold in hand do the same? Only then can one be sure that the control group is comparable with the study group and shows no systematic discrepancies that can lead to misinterpretation confounding or other problems Post hoc tests should be applied when multiple comparisons are performed.

guidelines for evaluating research articles

Their memories may not be accurate recall bias. Study design and implementation are described by Altman 7Trampisch and Windeler 9and Klug et al.

Evaluation research paper example

Sadly, not even in science are all terms always used correctly. Have the authors included sufficient information about the psychometric properties eg. The methods section should describe all stages of planning, the composition of the study sample e. Does the study raise new, hitherto unanswered questions? Was the title concise, i. Research designs The research design should be suitable to answer the research question. The statistical methods should be lucidly portrayed and complex statistical parameters and procedures described clearly, with references to the specialist literature. Was the number of cases too small and thus the statistical power of the study too low? Continue find more critical points within the method to finish your paragraph. The adequate sample size can be determined by employing power analysis. Details of measurement procedures are important for assessment of accuracy reliability, validity. Are there superfluous results presented that are not relevant to the hypotheses or research question? Cognition and Emotion, 29 2 , Errors of this type can be corrected and revealed by adjustment for the confounding factor. Graziano, A.
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Critical Appraisal of Scientific Articles