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Related Concept Videos

Archival Research01:40

Archival Research

Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research. Archival research relies on looking at past records or data sets to look for interesting patterns or relationships. For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and...
Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
The Scientific Method02:40

The Scientific Method

Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
The Scientific Method in Nursing Process01:18

The Scientific Method in Nursing Process

The scientific method provides the foundation for any research. It is the most reliable and objective of all forms of gaining knowledge and guides in applying research-based evidence in practice and conducting future research.
When using research findings to change practice, one must understand the process used to guide a study. The scientific method is a systematic, step-by-step process that supports the data's validity, reliability, and generalizability. As a result, findings can be safely...
Revisionist Views of Adolescent and Adult Cognition01:24

Revisionist Views of Adolescent and Adult Cognition

A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are themselves.

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Related Experiment Video

Updated: May 28, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Future research and methodological approaches.

J Pater1, J Rochon, M Parmar

  • 1Queen's University, Kingston, Canada.

Annals of Oncology : Official Journal of the European Society for Medical Oncology
|November 1, 2011
PubMed
Summary
This summary is machine-generated.

Healthcare institutions participating in clinical research may improve patient outcomes. Further research is needed to overcome methodological challenges in evaluating these benefits and address potential biases in observational studies.

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Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting
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Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

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Last Updated: May 28, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting
06:16

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Published on: June 6, 2020

Area of Science:

  • Health Services Research
  • Clinical Trials Methodology

Background:

  • Evidence suggests research-active healthcare institutions may yield better patient outcomes.
  • Evaluating the impact of clinical research participation on healthcare organizations presents methodological challenges.

Purpose of the Study:

  • To explore the evidence for benefits of clinical research participation for healthcare institutions and patients.
  • To examine methodological challenges in evaluating the impact of clinical research on healthcare organizations.
  • To emphasize postulated mechanisms of benefit and guide future research needs.

Main Methods:

  • Exploration of study designs including randomized trials and stepped wedge designs.
  • Analysis of observational study approaches to link research activity with patient outcomes.
  • Discussion of cross-sectional and observational data limitations and biases.

Main Results:

  • Preliminary evidence suggests a positive association between research activity and improved patient outcomes.
  • Methodological challenges in evaluating research impact are significant.
  • Identifying and mitigating bias in multivariate analysis is crucial for observational studies.

Conclusions:

  • While encouraging, the link between research-active institutions and improved outcomes requires further investigation.
  • Robust study designs and bias mitigation are essential for accurate evaluation.
  • Understanding the mechanisms of benefit is key to designing effective research.