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Related Concept Videos

Quality Assurance01:19

Quality Assurance

Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...
Quality Control01:05

Quality Control

Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
Accuracy and Precision01:52

Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.  Highly accurate measurements...
Accuracy and Precision01:52

Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.  Highly accurate measurements...
Statistical Analysis: Overview01:11

Statistical Analysis: Overview

When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
Uncertainty in Measurement: Accuracy and Precision03:37

Uncertainty in Measurement: Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.

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Updated: May 22, 2026

Doppler Ultrasound-Based Leg Blood Flow Assessment During Single-Leg Knee-Extensor Exercise in an Uncontrolled Setting
09:18

Doppler Ultrasound-Based Leg Blood Flow Assessment During Single-Leg Knee-Extensor Exercise in an Uncontrolled Setting

Published on: December 15, 2023

Quality Measurement: Key Terms and Definitions.

Anne Deutsch1, Laura Smith2

  • 1Center for Rehabilitation Outcome Research, Shirley Ryan AbilityLab, Chicago, IL; Department of Physical Medicine and Rehabilitation, Feinberg School of Medicine, Northwestern University, Chicago, IL; RTI International, Health Practice, Chicago, IL.

Archives of Physical Medicine and Rehabilitation
|May 20, 2026
PubMed
Summary
This summary is machine-generated.

Understanding healthcare quality measurement is crucial for improving patient outcomes. This communication clarifies key terms and frameworks used by the Centers for Medicare & Medicaid Services (CMS) to enhance quality in healthcare services.

Related Experiment Videos

Last Updated: May 22, 2026

Doppler Ultrasound-Based Leg Blood Flow Assessment During Single-Leg Knee-Extensor Exercise in an Uncontrolled Setting
09:18

Doppler Ultrasound-Based Leg Blood Flow Assessment During Single-Leg Knee-Extensor Exercise in an Uncontrolled Setting

Published on: December 15, 2023

Area of Science:

  • Healthcare Quality Improvement
  • Health Services Research
  • Health Policy

Background:

  • Diverse stakeholders have varying perspectives on defining and measuring healthcare outcomes.
  • Effective quality measurement is essential for improving patient care and support services.

Purpose of the Study:

  • To define and clarify key quality measurement concepts, frameworks, and terminology used in Centers for Medicare & Medicaid Services (CMS) quality programs.
  • To facilitate better understanding and communication regarding quality measurement among various stakeholders.

Main Methods:

  • Review and description of established quality measurement frameworks, including the Donabedian model, Institute of Medicine's aims, and National Quality Forum's framework.
  • Definition of core quality measurement terms such as 'quality,' 'quality measure,' 'outcome measure,' 'performance measure,' and 'risk adjustment.'

Main Results:

  • Provides a clear explanation of essential quality measurement concepts and terminology relevant to CMS programs.
  • Highlights common frameworks used for assessing healthcare quality in different service settings.

Conclusions:

  • Enhanced understanding of CMS quality measurement terminology can foster productive dialogue among stakeholders.
  • This clarification aims to advance quality improvement initiatives in inpatient rehabilitation and home and community-based services.