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  2. Construct validity - Wikipedia

    en.wikipedia.org/wiki/Construct_validity

    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 ...

  3. Validity (statistics) - Wikipedia

    en.wikipedia.org/wiki/Validity_(statistics)

    The validity of a measurement tool (for example, a test in education) is the degree to which the tool measures what it claims to measure. [3] Validity is based on the strength of a collection of different types of evidence (e.g. face validity, construct validity, etc.) described in greater detail below.

  4. Member check - Wikipedia

    en.wikipedia.org/wiki/Member_check

    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]

  5. Barbara Braden - Wikipedia

    en.wikipedia.org/wiki/Barbara_Braden

    Barbara J. Braden (November 7, 1943 – June 24, 2023) [1] was an American nurse, nurse educator, college administrator, and medical researcher. She was co-developer of the Braden Scale for Predicting Pressure Ulcer Risk, and held several administrative positions at Creighton University, including dean of the Graduate School from 1995 to 2006, and dean of the College of Professional Studies ...

  6. Hierarchy of evidence - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_evidence

    A large number of hierarchies of evidence have been proposed. Similar protocols for evaluation of research quality are still in development. So far, the available protocols pay relatively little attention to whether outcome research is relevant to efficacy (the outcome of a treatment performed under ideal conditions) or to effectiveness (the outcome of the treatment performed under ordinary ...

  7. Evidence-based nursing - Wikipedia

    en.wikipedia.org/wiki/Evidence-based_nursing

    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.

  8. Internal consistency - Wikipedia

    en.wikipedia.org/wiki/Internal_consistency

    In statistics and research, internal consistency is typically a measure based on the correlations between different items on the same test (or the same subscale on a larger test). It measures whether several items that propose to measure the same general construct produce similar scores.

  9. External validity - Wikipedia

    en.wikipedia.org/wiki/External_validity

    In many studies and research designs, there may be a trade-off between internal validity and external validity: [16] [17] [18] Attempts to increase internal validity may also limit the generalizability of the findings, and vice versa. This situation has led many researchers call for "ecologically valid" experiments.