Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

What is an Experiment?

What is an Experiment?

An experiment is a planned activity carried out under controlled conditions. The purpose of an experiment is to investigate the relationship between two variables. When one variable causes change in another, we call the first variable the explanatory or independent variable. The affected variable is called the response or dependent variable. In a randomized experiment, the researcher manipulates values of the explanatory variable and measures the resulting changes in the response variable. The...

Data Collection by Experiments

Data Collection by Experiments

Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public clinical trial...

Randomized Experiments

Randomized Experiments

The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...

Controls in Experiments

Controls in Experiments

When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...

Compensation Mechanisms

Compensation Mechanisms

The human body employs intricate mechanisms to counteract changes in blood pH, preventing conditions like acidosis (pH < 7.35) and alkalosis (pH > 7.45). These compensatory responses aim to restore normal arterial blood pH by engaging respiratory or renal systems, depending on the source of the imbalance.
Respiratory Compensation
This mechanism addresses metabolic-induced pH imbalances by adjusting breathing rates. Respiratory compensation begins within minutes of detecting a pH...

Crossover Experiments

Crossover Experiments

Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A stitch in time: 3-monthly long-acting injectable paliperidone palmitate in schizophrenia.

Therapeutic advances in psychopharmacology·2017

Same author

Influence of collars on the primary stability of cementless femoral stems: A finite element study using a diverse patient cohort.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2017

Same author

A finite element study on the mechanical response of the head-neck interface of hip implants under realistic forces and moments of daily activities: Part 2.

Journal of the mechanical behavior of biomedical materials·2017

Same author

Primary stability of a cementless acetabular cup in a cohort of patient-specific finite element models.

Journal of orthopaedic research : official publication of the Orthopaedic Research Society·2017

Same author

A finite element study on the mechanical response of the head-neck interface of hip implants under realistic forces and moments of daily activities: Part 1, level walking.

Journal of the mechanical behavior of biomedical materials·2017

Same author

An Analytical Calculation of Frictional and Bending Moments at the Head-Neck Interface of Hip Joint Implants during Different Physiological Activities.

Materials (Basel, Switzerland)·2017

Search research articles

Related Experiment Video

Updated: Jun 29, 2026

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

Experiments in payment.

Hospitals & Health Networks

|October 10, 2008

Summary

This summary is machine-generated.

The US healthcare payment system needs reform to improve value and results. This analysis explores five ambitious projects aiming to revolutionize healthcare payments for better quality outcomes.

More Related Videos

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

Related Experiment Videos

Last Updated: Jun 29, 2026

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods

Published on: September 19, 2012

Area of Science:

Health economics
Healthcare policy
Health services research

Background:

The current US healthcare payment system faces significant challenges and inefficiencies.
There is a widespread consensus on the need for substantial reform.
Numerous uncoordinated initiatives are underway to address these issues.

Purpose of the Study:

To examine the landscape of healthcare payment reform.
To identify and analyze ambitious projects aimed at increasing healthcare value.
To understand the potential impact of these reforms on quality and outcomes.

Main Methods:

Review of current healthcare payment models.
Analysis of five prominent healthcare payment reform projects.
Assessment of project goals related to value-based care.

Main Results:

Identified five key ambitious projects in healthcare payment reform.
Highlighted the common goal of enhancing healthcare value and results.
Noted the lack of coordination among current reform efforts.

Conclusions:

The ongoing reforms represent a potential "quiet revolution" in healthcare payment.
These ambitious projects are critical for improving the healthcare system's efficiency and effectiveness.
Further research is needed to assess the long-term impact and coordination of these initiatives.