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  2. Longitudinal study - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_study

    A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data). It is often a type of observational study, although it can also be structured as longitudinal randomized experiment. [1]

  3. Post-normal science - Wikipedia

    en.wikipedia.org/wiki/Post-normal_science

    Post-normal science (PNS) was developed in the 1990s by Silvio Funtowicz and Jerome R. Ravetz. [1] [2] [3] It is a problem-solving strategy appropriate when "facts [are] uncertain, values in dispute, stakes high and decisions urgent", conditions often present in policy-relevant research. In those situations, PNS recommends suspending ...

  4. Multilevel regression with poststratification - Wikipedia

    en.wikipedia.org/wiki/Multilevel_regression_with...

    Multilevel regression with poststratification (MRP) is a statistical technique used for correcting model estimates for known differences between a sample population (the population of the data one has), and a target population (a population one wishes to estimate for).

  5. Post hoc analysis - Wikipedia

    en.wikipedia.org/wiki/Post_hoc_analysis

    In a scientific study, post hoc analysis (from Latin post hoc, "after this") consists of statistical analyses that were specified after the data were seen. [ 1 ] [ 2 ] They are usually used to uncover specific differences between three or more group means when an analysis of variance (ANOVA) test is significant. [ 3 ]

  6. Postqualitative inquiry - Wikipedia

    en.wikipedia.org/wiki/Postqualitative_inquiry

    The discourse about postqualitative inquiry arose from the question of “what comes next for qualitative research," [6] particularly regarding how to approach "a problem in the midst of inquiry” [7] in a way that allows new ideas to take shape from preconceived ones. St. Pierre suggested that being restricted to method conforms new research to the form of existing research, hindering ...

  7. Research design - Wikipedia

    en.wikipedia.org/wiki/Research_design

    There are many ways to classify research designs. Nonetheless, the list below offers a number of useful distinctions between possible research designs. A research design is an arrangement of conditions or collection. [5] Descriptive (e.g., case-study, naturalistic observation, survey) Correlational (e.g., case-control study, observational study)

  8. Phases of clinical research - Wikipedia

    en.wikipedia.org/wiki/Phases_of_clinical_research

    [11] [8] These trials are often conducted in a clinical trial clinic, where the subject can be observed by full-time staff. These clinical trial clinics are often run by contract research organization (CROs) who conduct these studies on behalf of pharmaceutical companies or other research investigators. [citation needed]

  9. Cohort study - Wikipedia

    en.wikipedia.org/wiki/Cohort_study

    A cohort study is a particular form of longitudinal study that samples a cohort (a group of people who share a defining characteristic, typically those who experienced a common event in a selected period, such as birth or graduation), performing a cross-section at intervals through time.