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Related Concept Videos

Decision Making: P-value Method01:09

Decision Making: P-value Method

The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim  is also stated. These statements can act as null and alternative hypotheses:  a null hypothesis would be a neutral statement while the alternative hypothesis can have a...
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
Decision Making01:20

Decision Making

Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Reason and Intuition01:37

Reason and Intuition

The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the brain can only use...
Introduction to Epidemiology01:26

Introduction to Epidemiology

Epidemiology, known as the cornerstone of public health, involves studying the distribution and determinants of health-related events in defined populations and applying these insights to control health issues. This is essential for understanding how diseases spread, identifying populations at greater risk, and implementing measures to control or prevent outbreaks. Epidemiology addresses not only infectious diseases but also non-communicable conditions like cancer and cardiovascular disease,...
Heuristics01:21

Heuristics

Heuristics are problem-solving strategies that use mental shortcuts to simplify decision-making. Unlike algorithms, which must be followed precisely to achieve a correct result, heuristics offer a general problem-solving framework. They save time and energy but can sometimes lead to less rational decisions.
People often rely on heuristics when faced with an overload of information, limited time, low importance of the decision, limited information, or when a heuristic readily comes to mind. For...

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Related Experiment Video

Updated: May 10, 2026

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

Evidence synthesis for decision making 1: introduction.

Sofia Dias1, Nicky J Welton1, Alex J Sutton2

  • 1School of Social and Community Medicine, University of Bristol, Bristol, UK (SD, NJW, AEA)

Medical Decision Making : an International Journal of the Society for Medical Decision Making
|June 28, 2013
PubMed
Summary

This series of tutorials introduces evidence synthesis methods for decision-making, applicable beyond pharmaceutical appraisals to medical devices and public health. The framework covers various meta-analysis types and outcome formats, aligning with NICE guidelines.

Keywords:
Bayesian meta-analysiscost-effectiveness analysissystematic reviews

Related Experiment Videos

Last Updated: May 10, 2026

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

Area of Science:

  • Health Services Research
  • Medical Statistics
  • Health Economics

Background:

  • The National Institute for Health and Clinical Excellence (NICE) requires robust evidence synthesis for decision-making.
  • Existing methods may not fully address diverse outcome reporting formats or complex comparative analyses.
  • A unified framework for evidence synthesis is needed to support various health technology assessments.

Purpose of the Study:

  • To present a series of 7 tutorials on evidence synthesis methods for decision-making.
  • To provide a comprehensive evidence synthesis framework applicable to pharmaceutical appraisals, medical devices, and public health interventions.
  • To guide users on applying these methods in line with NICE guidelines.

Main Methods:

  • Development of a single evidence synthesis framework.
  • Inclusion of fixed and random effects models, pairwise meta-analysis, indirect comparisons, and network meta-analysis.
  • Methodology for analyzing outcomes in various reporting formats without normal approximations.

Main Results:

  • The tutorials offer detailed guidance on a unified evidence synthesis approach.
  • The proposed framework aligns with the 2008 revision of the NICE Guide to the Methods of Technology Appraisal.
  • Methods are presented for handling diverse evidence types and analytical complexities.

Conclusions:

  • The tutorial series provides a practical and adaptable framework for evidence synthesis in health decision-making.
  • The methods are relevant for a wide range of health technology assessments, including pharmaceuticals, devices, and public health.
  • Guidance is offered on presenting evidence, synthesis methods, and results effectively.