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External validity is the validity of applying the conclusions of a scientific study outside the context of that study. [1] In other words, it is the extent to which the results of a study can generalize or transport to other situations, people, stimuli, and times.
In qualitative research, a member check, also known as informant feedback or respondent validation, is a technique used by researchers to help improve the accuracy, credibility, validity, and transferability (also known as applicability, internal validity, [1] or fittingness) of a study. [2]
Evidence-Based Nursing is a peer-reviewed healthcare journal covering the field of evidence-based nursing. It is published quarterly by the BMJ Publishing Group and RCN Publishing. It is abstracted and indexed by Index Medicus , Scopus and Excerpta Medica/EMBASE. The journal performs systematically searches of nursing and medical journals.
In other words, the relevance of external and internal validity to a research study depends on the goals of the study. Furthermore, conflating research goals with validity concerns can lead to the mutual-internal-validity problem, where theories are able to explain only phenomena in artificial laboratory settings but not the real world. [13] [14]
One method of research for evidence-based practice in nursing is 'qualitative research': The word implies an entity and meanings that are not experimentally examined or measured in terms of quantity, amount, frequency, or intensity. With qualitative research, researchers learn about patient experiences through discussions and interviews.
The Journal of Research in Nursing is a bimonthly peer-reviewed nursing journal that covers the field of nursing. The editors-in-chief are Andree Le May (University of Southampton) and Ann McMahon. The journal was established in 1996 and is published by SAGE Publications.
Clinical Nursing Research is a peer-reviewed nursing journal covering the field of clinical nursing. The editor-in-chief is Melissa D. Pinto (Mayo Clinic). It was established in 1992 and is published by SAGE Publications eight times a year.
Correlations that fit the expected pattern contribute evidence of construct validity. Construct validity is a judgment based on the accumulation of correlations from numerous studies using the instrument being evaluated. [22] Most researchers attempt to test the construct validity before the main research. To do this pilot studies may be ...