Descriptive Studies

Descriptive studies are statistical investigations that systematically summarize the characteristics of a population, sample, or phenomenon without testing causal relationships. They collect and organize observations, then use frequency distributions, measures of central tendency such as the mean or median, measures of variability such as range or standard deviation, and tables or graphs to represent patterns in the data. In statistics, these studies provide an essential first view of data quality, distribution, and group differences. Their findings support clear reporting, guide hypothesis generation, inform decisions, and help researchers determine which analytical methods are appropriate for subsequent studies.

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JoVE Business - Finance

Psychological and Descriptive Understanding of Ethical Decision Making

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2025

Ethical decision-making is the process of aligning actions with established principles to maintain consistency in values and professional conduct. It incorporates two primary perspectives: the normative approach and the psychological approach. The normative approach defines explicit standards for ethical behavior, emphasizing principles such as honesty, fairness, and accountability. This perspective provides a clear framework for distinguishing right from wrong and ensures that actions...

Eulerian and Lagrangian Flow Descriptions

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2025

Fluid flow analysis is critical in many scientific and engineering disciplines, and two principal approaches are used to describe this flow: the Eulerian and Lagrangian methods. These methods offer different perspectives on monitoring and analyzing the motion of fluids, each with distinct advantages depending on the scenario. The Eulerian method focuses on fixed points in space where fluid properties, such as velocity, pressure, and temperature, are observed as the fluid moves between these...

Pleural Disorders: Types and Brief Description

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2024

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are: Visceral Pleura: This layer covers the lungs. Parietal Pleura: This layer lines the inside of the chest wall. Between the two layers — the visceral pleura lining the lungs and the parietal pleura lining the chest cavity — lies the pleural cavity, a crucial anatomical space. This cavity houses a thin layer of pleural fluid,...

Research

JoVE Journal - Medicine
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Description of a Swine Infant Model of Volume-Controlled Hemorrhagic Shock

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Cited by 1 •

2023

This article aims to provide researchers with a detailed and accessible guide to set up an infant porcine model of hemorrhagic shock.

Research

JoVE Journal - Biology
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A 3D Cartographic Description of the Cell by Cryo Soft X-ray Tomography

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Cited by 18 •

2021

Here, a protocol describing the sample preparation and data collection steps required in cryo soft X-ray tomography (SXT) to image the ultrastructure of whole cryo-preserved cells at a resolution of 25 nm half pitch, is presented.

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