Related Experiment Video
Updated: Jul 6, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
PIES method of critique.
Steven Baroletti1, Paul M Szumita
1Brigham and Women's Hospital, Boston, MA, and Northeastern University, Boston, MA, USA. Sbaroletti@partners.org
Critically evaluating clinical trials is crucial for evidence-based practice. The PIES (Population, Intervention, Endpoints, Statistics) method offers a systematic approach to assess trial applicability in clinical settings.
Area of Science:
- Clinical research methodology
- Evidence-based medicine
Background:
- Critical appraisal of clinical trials is vital for integrating research findings into patient care.
- A structured approach aids healthcare professionals in evaluating trial validity and relevance.
Purpose of the Study:
- To introduce the PIES (Population, Intervention, Endpoints, Statistics) method for systematic clinical trial evaluation.
- To provide a framework for assessing the applicability of trial results to clinical practice.
Main Methods:
- Development of the PIES acronym, representing four key trial components: Population, Intervention, Endpoints, and Statistics.
- Application of the PIES method as a systematic evaluation tool.
Main Results:
- The PIES method provides a comprehensive framework for analyzing clinical trials.
- It facilitates a structured assessment of trial design and execution.
Conclusions:
- The PIES method enhances the critical evaluation of clinical trials.
- This systematic approach empowers practitioners to determine the clinical applicability of study findings.
Related Concept Videos
Methods of Documentation III: PIE
Criticisms of the Evolutionary Perspective
Evolutionary psychology provides one explanation for these findings, suggesting...
Humanistic Psychology
This approach...
Decision Making: Traditional Method
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...
Method of Sections: Problem Solving I
Decision Making: P-value Method
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...

