منابع مشابه
Missing Data in Longitudinal Trials - Part B, Analytic Issues.
Longitudinal designs in psychiatric research have many benefits, including the ability to measure the course of a disease over time. However, measuring participants repeatedly over time also leads to repeated opportunities for missing data, either through failure to answer certain items, missed assessments, or permanent withdrawal from the study. To avoid bias and loss of information, one shoul...
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The paper aims to demonstrate the importance of behavioural issues in environmental modelling. These issues can relate both to the modeler and to the modelling process including the social interaction in the modelling team. The origins of behavioural effects can be in the cognitive and motivational biases or in the social systems created as well as in the visual and verbal communication strateg...
متن کاملThe Missing “Missing Middle”
T he notion that the distribution of firm size in poor countries is characterized by a bimodal distribution with a “missing middle” is a widely accepted fact in development economics (for example, see Krueger 2013). The idea of the missing middle is that there are a large number of small firms, some large firms, but very few medium-sized firms. The purported fact about the missing middle is cit...
متن کاملWhat is missing? Addressing the complex issues surrounding sexual and reproductive health in the circumpolar north
A cross the globe, sexual and reproductive health (SRH) is a complex issue, with a myriad of moving parts and diverse stakeholders from different knowledge and value systems. In the Arctic, the context of SRH and associated health disparities are composed of psychological, social, cultural, economic, educational, geographic and political factors. There is a dearth of published literature on the...
متن کاملMissing Data in Longitudinal Clinical Trials Part A: Design and Conceptual Issues.
FULL DISCLOSURE POLICY In accordance with the Accreditation Council for Continuing Medical Education’s Standards for Commercial Support, all CME providers are required to disclose to the activity audience the relevant financial relationships of the planners, teachers, and authors involved in the development of CME content. An individual has a relevant financial relationship if he or she has a f...
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ژورنال
عنوان ژورنال: Indian Journal of Dermatology, Venereology, and Leprology
سال: 2015
ISSN: 0378-6323
DOI: 10.4103/0378-6323.156189