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An after action report (or AAR) is any form of retrospective analysis on a given sequence of goal-oriented actions previously undertaken, generally by the author themselves. The two principal forms of AARs are the literary AAR, intended for recreational use, and the analytical AAR, exercised as part of a process of performance evaluation and ...
Cohort studies are one type of longitudinal study which sample a cohort (a group of people who share a defining characteristic, typically who experienced a common event in a selected period, such as birth or graduation) and perform cross-section observations at intervals through time. Not all longitudinal studies are cohort studies; some ...
Examples of a retrospective cohort are Long-Term Mortality after Gastric Bypass Surgery [13] and The Lothian Birth Cohort Studies. [14] Although historical studies are sometimes referred to as retrospective study, it a misnomer as the methodological principles of historical cohort studies and prospective studies are the same. [11]
A retrospective cohort study, also called a historic cohort study, is a longitudinal cohort study used in medical and psychological research. A cohort of individuals that share a common exposure factor is compared with another group of equivalent individuals not exposed to that factor, to determine the factor's influence on the incidence of a ...
One of the more troublesome examples of the distinction between extraordinary assumptions and hypothetical conditions regards the valuation of property with proposed improvements or proposed alterations. Such examples require the understanding of and inter-relation with prospective values, retrospective values, and contemporary values.
For instance, in a 5-year agricultural project, seeds are inputs, farmers trained in using them our outputs, changes in crop yields as a result of the seeds being planted properly is an outcome and families being more sustainably food secure over time is an impact. Such post-project impact evaluations are very rare.
A hotwash is the immediate "after-action" discussions and evaluations of an agency's (or multiple agencies') performance following an exercise, training session, or major event, such as Hurricane Katrina.
Randomized controlled trial [5]. Blind trial [6]; Non-blind trial [7]; Adaptive clinical trial [8]. Platform Trials; Nonrandomized trial (quasi-experiment) [9]. Interrupted time series design [10] (measures on a sample or a series of samples from the same population are obtained several times before and after a manipulated event or a naturally occurring event) - considered a type of quasi ...