Judgmental Sampling
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The use of experts and their judgments in nursing research: an overview.
Experts and their judgments are widely used in the fields of research, education, health care, law, commerce and technology. Expert judgment is known for its subjectivity and its potential for bias, which brings into question the accuracy and authenticity of judgmental data. At the same time there is acknowledgment of the valued contribution of judgmental data towards valid inferences in resear...
متن کاملA Critical Meta-Analysis of Lens Model Studies in Human Judgment and Decision-Making
Achieving accurate judgment ('judgmental achievement') is of utmost importance in daily life across multiple domains. The lens model and the lens model equation provide useful frameworks for modeling components of judgmental achievement and for creating tools to help decision makers (e.g., physicians, teachers) reach better judgments (e.g., a correct diagnosis, an accurate estimation of intelli...
متن کاملCorrect or combine ? Mechanically integrating judgmental forecasts q with statistical methods *
A laboratory experiment and two field studies were used to compare the accuracy of three methods that allow judgmental forecasts to be integrated with statistical methods. In all three studies the judgmental forecaster had exclusive access to contextual (or non time-series) information. The three methods compared were: (i) statistical correction of judgmental biases using Theil’s optimal linear...
متن کاملDeterminants of Dividend Policy: A study of selected listed Firms in Nigeria
This study investigated the determinants of dividends policy in the Nigerian stock exchange market. To achieve the objectives of this study, a total of 50 listed firms in the Nigerian stock exchange market were selected and analyzed for the study using the judgmental sampling technique. Also, the corporate annual reports for the period 2006-2011 were used for the study. The paper was basically ...
متن کاملEffectiveness of Cognitive-Behavioral Group Therapy on Craving, Depression& anxiety among the Opiate abusers under MMT
Method: In this experimental study, 36 opiate addicts under MMT were selected out of all the patients referring to Iranian National Center of Addiction Studies on a judgmental sampling method and were randomly allocated to two experimental and control groups. In experimental group, a total sum of 8 sessions (one session per week) of cognitive behavioral group therapy were delivered. The main th...
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