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Related Concept Videos

Actuarial Approach01:20

Actuarial Approach

The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Cross-Sectional Research01:50

Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
Observational Studies01:11

Observational Studies

Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
Current Trends in Nursing II01:30

Current Trends in Nursing II

Trends in nursing are multifactorial and associated with changes in society, within the nursing profession, and in other professions. Notably, telehealth and remote nursing contribute to successful healthcare delivery for numerous patients and help reduce stress for nurses due to nursing shortages. Nurses can reach patients, monitor their conditions, and interact with them using computers, audio, visual accessories, and telephones—for example, remote patient monitoring systems. Likewise,...

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Related Experiment Video

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Project-Based Learning Guidelines for Health Sciences Students: An Analysis with Data Mining and Qualitative Techniques
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Project-Based Learning Guidelines for Health Sciences Students: An Analysis with Data Mining and Qualitative Techniques

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Analyzing data from open enrollment groups: current considerations and future directions.

Antonio A Morgan-Lopez1, William Fals-Stewart

  • 1RTI International, Behavioral Health and Criminal Justice Division, Research Triangle Park, NC 27709, USA. amorganlopez@rti.org

Journal of Substance Abuse Treatment
|October 16, 2007
PubMed
Summary
This summary is machine-generated.

Modeling challenges in substance abuse treatment research hinder ecological validity. This review explores advanced analytic methods for open-enrollment group data and emerging issues like membership change and holiday effects.

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Published on: June 10, 2021

Area of Science:

  • Substance abuse and alcoholism treatment research
  • Methodological research in behavioral sciences

Background:

  • Ecological validity in treatment research is often limited by difficulties in modeling participant turnover.
  • Open-enrollment group designs present unique analytical challenges for researchers.

Purpose of the Study:

  • To review state-of-the-science analytic methods for modeling open-enrollment group data.
  • To highlight emerging issues in the methodological research of treatment group membership.
  • To inform the development of more federally funded open-enrollment trials and community-friendly research.

Main Methods:

  • Review of current analytic methodologies for open-enrollment group data.
  • Discussion of emerging issues including quantifying membership change, modeling 'holiday' effects, and leader/member membership dynamics.

Main Results:

  • Identified key analytical complexities in modeling treatment group turnover.
  • Highlighted the need for advanced statistical approaches to capture dynamic group membership.
  • Emphasized the potential for improved modeling to enhance research validity and funding opportunities.

Conclusions:

  • Refining modeling tools for open-enrollment data is crucial for advancing substance abuse treatment research.
  • Addressing analytic complexities can lead to more robust and federally supported treatment trials.
  • Improved methodological approaches can foster a 'community-friendly' research agenda.