Observational research - PowerPoint PPT Presentation


Understanding Quantitative Research Designs in Health Research

Quantitative research designs play a crucial role in health research, offering various methodologies like experimental and observational designs. Observational designs are commonly used and can establish associations but not causality. Longitudinal designs track outcomes over time, providing valuabl

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Antibiotic Resistance of Helicobacter pylori in Primary Care: Observational Cohort Study

Research focused on Helicobacter pylori eradication success and antibiotic resistance development in primary care settings, revealing an 8% rate of treatment failure leading to a second treatment within 12 months. The study suggests a need to revise treatment guidelines, potentially targeting specif

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Latest Research and Studies on Lung Cancer - Update May 2024

This research update includes information on national recruitment to lung cancer studies, comparison of national vs. regional recruitment, and detailed descriptions of various studies and trials related to lung cancer. The studies cover areas such as treatment advancements, observational studies, ma

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Understanding Observational Studies in Epidemiology

Delve into the realm of observational studies in epidemiology, exploring concepts such as error, bias, and confounding. Discover the significance of various study designs, from case reports to prospective cohort studies, in elucidating associations and establishing causality in non-communicable dise

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Overview of Cohort Studies in Epidemiology

Cohort studies are a type of observational study where a group of healthy subjects is followed over time to investigate relationships between exposures and outcomes. They provide valuable insights into disease development and risk factors, offering advantages like assessing multiple exposures and en

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Future Needs for NOAA Unified Forecast System Observation

The NOAA Unified Forecast System (UFS) is a comprehensive Earth system model designed for regional to global predictive time scales, covering various domains such as ocean, land, cryosphere, atmosphere, and more. The system involves research and operational components like data assimilation, forecas

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Understanding Experiments in Research: Observation vs. Experimentation

Observation and experiments are two crucial methods in research. An observational study involves observing and measuring variables without influencing responses, while an experiment deliberately applies treatments to measure responses. Confounding variables can affect the results, and factors like e

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Qualitative vs. Quantitative Approaches in Health Research

Exploring the different methodologies, paradigms, and methods used in health research, this content highlights the distinction between qualitative and quantitative designs. It covers research questions, aims, objectives, hypotheses, and various quantitative approaches such as experimental and observ

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Understanding Clinical Trials: Types and Designs

Clinical trials are essential research studies that evaluate new tests and treatments to improve human health outcomes. They involve various phases, designs, and purposes, such as treatment trials, prevention trials, and observational studies. Different types of clinical trial designs include experi

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Understanding Research Methods in Psychology

Learn about event and time sampling in observational studies, explore the scientific nature of biological psychology, understand the practical justifications for using animals in psychological studies, discover real-life applications of cognitive psychology, examine the role of social psychology in

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Understanding Propensity Score Methods for Reducing Confounding in Studies

This content discusses the use of propensity score methods to address confounding in observational studies, comparing randomized control trials (RCTs) with observational studies, explaining the potential outcome framework, average treatment effects, and common assumptions made in these methods to re

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Understanding Quantitative Designs in Health Research

Explore different types of quantitative research designs including observational, longitudinal, and case-control studies. Learn how these designs are used to establish associations, measure outcomes over time, and compare groups. Discover the advantages and disadvantages of longitudinal designs in c

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Exploring the Einstein Telescope: Observational Science and Board Details

Delve into the world of observational science with the Einstein Telescope (ET). This comprehensive overview covers the involvement of Flanders researchers, gravitational wave sources, ET's detection capabilities, and its significant contributions to black hole and neutron star properties. Learn abou

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Understanding the Impact of Snow on Sea Ice in Earth System Models

Snow on sea ice plays a crucial role in Earth System Models, affecting sea ice growth and atmospheric temperatures. While observational studies are limited, ongoing research aims to improve modeling accuracy by incorporating snow-ice interactions. Large-scale studies highlight the importance of Arct

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Fisheries Management and Observational Requirements for Ocean-Related Variables

This content provides insights into observational requirements for ocean-related variables concerning fisheries, focusing on marine fish production in CRFM countries, the Flyingfish Management Plan, Caribbean Spiny Lobster management, and other fisheries management plans. It discusses the main objec

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Linking Soft-Ray Pulsar and Fermi LAT Pulsar Populations

This research presentation explores the connection between the soft-ray pulsar population and the Fermi LAT pulsar population, focusing on observational data and methodologies for increasing the sample size to enhance our understanding of high-energy pulsars. The study outlines the identification pr

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Characterizing the Atmospheres of Low Surface Gravity M-dwarfs

This study focuses on characterizing the atmospheres of low surface gravity M-dwarfs, which are promising hosts for exoplanets. The research delves into why low gravity M-dwarfs appear brighter in the infrared than typical M-dwarfs, presenting an improved base model with added opacities. The finding

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Observational Constraints on Viable f(R) Gravity Models Analysis

Investigating f(R) gravity models by extending the Einstein-Hilbert action with an arbitrary function f(R). Conditions for viable models include positive gravitational constants, stable cosmological perturbations, asymptotic behavior towards the ΛCDM model, stability of late-time de Sitter point, a

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Stochastic Coastal Regional Uncertainty Modelling II (SCRUM2) Overview

SCRUM2 project aims to enhance CMEMS through regional/coastal ocean-biogeochemical uncertainty modelling, ensemble consistency verification, probabilistic forecasting, and data assimilation. The research team plans to contribute significant advancements in ensemble techniques and reliability assessm

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Statistical Analysis of Pharmacotreatment Effect in Smoking Cessation

This study by Dr. Neil Walker at the Oxford Biomedical Research Centre aims to analyze the effectiveness of pharmacotreatment in smoking cessation using observational data from the Stop Smoking Service. The research evaluates the impact of medications like Champix, Zyban, and Nicotine Replacement Th

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Essential Elements of Clinical Trial Protocols

Understanding the key components of a clinical trial research protocol is essential for conducting successful studies. This includes identifying session objectives, discussing trial protocol contents, exploring observational study elements, and learning about reporting guidelines. Study objectives f

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Choosing Between Observational Study and Experiment in Research

Observational studies involve recording data without interfering with subjects, while experiments impose treatments on subjects to establish cause and effect. A well-controlled experiment is crucial for determining causation, while observational studies can provide quick results at lower costs. Each

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Overview of Observational Techniques and Student Talks in Astronomy

This content covers observational techniques, student talks, and dates related to various astronomical topics such as gamma-ray astronomy, basics of gamma-ray interaction, scintillators and solid-state detectors, Compton telescopes, and pair telescopes. It provides insights into the main processes i

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Optimal Blood Pressure Levels to Prevent Cognitive Decline in Older Adults

Observational study at the 26th European Meeting on Hypertension suggests maintaining high-normal levels of systolic blood pressure between 130-145 mmHg may reduce cognitive decline and mortality risk in older adults. The complex relation between blood pressure and cognitive impairment is explored,

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The Need for New Statistical Methodology in Health Studies

The discussion centers around the necessity for advancements in statistical methodology, particularly in trials, observational studies, and meta-analysis. The role of statisticians in interpreting data, designing studies, and addressing missing data is highlighted. The importance of understanding ex

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Understanding Observational Studies vs. Experiments in Statistical Analysis

Explore the distinction between observational studies and experiments in statistics through practical examples like a Stat instructor evaluating a review session's impact on test scores. Learn about sampling methods, bias avoidance, and the implications of statistical study design. Discover how anal

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Understanding Observational Research Methods

Observational research methods involve systematic observation of behaviors and can be used in various study designs such as experimental, correlational, and descriptive research. This type of research aims to provide insights into real-world behaviors with a focus on ecological validity. The process

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Understanding Experimental Design and Bias in Statistics

Explore key concepts in statistics such as observational studies, experiments, bias, and sampling methods. Delve into the difference between observational studies and experiments, understand the impact of bias in research, and learn about sampling techniques like simple random sampling and stratifie

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Division of Astronomy and Space Physics Overview: Research and Teaching Programs

Division of Astronomy and Space Physics, in cooperation with the Swedish Institute of Space Physics (IRF), focuses on researching topics such as the first stars and galaxies, re-ionization of the Universe, and more. With distinct but complementary areas of expertise, the division offers programs in

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Debunking Nutrition Myths: A Critical Analysis

Unveil the truth behind common nutrition misconceptions through a detailed examination of errors made by nutritionists. Explore the controversial topic of antioxidants and evaluate the validity of claims such as the pomegranate's ability to prevent wrinkles. Understand the impact of observational st

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Cadence for Supernovae in LSST and Dark Energy Hubble Diagrams

This content discusses the cadence for supernovae observations in the Large Synoptic Survey Telescope (LSST) and presents Hubble diagrams related to Supernovae and Dark Energy research. The images and descriptions focus on cosmological aspects, distance moduli, observational strategies, and constrai

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Enhancing Observational Skills through the 5 Senses and Devices

Explore how the 5 senses - sight, touch, hearing, taste, and smell - interact with our environment and how observations can be enhanced using specialized devices beyond human senses. Discover examples like a graduated cylinder, microscope, spring scale, wind vane, and compass that extend observation

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Understanding Research Studies in Myotonic Dystrophy

Delve into the world of Myotonic Dystrophy research through this informative content, exploring different types of research studies, phases of drug trials, and the importance of informed consent. Learn about observational and interventional studies, drug trial phases, and the intricate process invol

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Evaluation of Milk Hygiene Practices among Small Dairy Farms

This study conducted in the peri-urban area of Jaipur aims to identify milk distribution systems and evaluate hygiene practices among small dairy farms. The research focuses on the presence of mastitis in milking animals and involves a quantitative, observational study over a three-month period. Key

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Data Management and Research at Central Research Institute for Dryland Agriculture

Showri Raju, a scientist specializing in Computer Applications in Agriculture at CRIDA-ICAR, Hyderabad, oversees observational data repository and AWS data management. The nature of data generated by CRIDA includes divisions like DRM, DCS, SDA, TOT, AICRPDA, and AICRPAM, focusing on various aspects

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Understanding Survival Analysis in Clinical Trials

Survival analysis plays a crucial role in analyzing data from randomized clinical trials, observational studies, and experiments. It involves estimating the survival function, conducting the log-rank test, and identifying when to use this analytical approach. Elements of survival experiments, standa

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Effect of Time of Day on Bird Species Richness and Individuals

The study investigates how the time of day impacts the species richness and number of individuals of birds at a specific feeder in Longwood University's Environmental Education Center. Through observational studies and counting, the researchers aim to determine if there are differences in bird popul

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Prediction of Metallicity and C/O Ratios for Hot Jupiter Exoplanets

Dr. Graeme Melville from the University of NSW explores the modeling of atmospheres for hot Jupiter exoplanets, emphasizing the importance of temperature, PT profiles, metallicity, and the C/O ratio. Utilizing the Versatile Software for Transfer of Atmospheric Radiation (VSTAR), the research aims to

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Ozone Observational and Monitoring Activities in Algeria and Burkina Faso

Algeria's National Meteorology Office conducts ozone monitoring at GAW stations in Tamanrasset City and Assekrem. Calibration and data reporting are done regularly to WOUDC. In Burkina Faso, NAMA-BF oversees meteorological observations and is acquiring instruments for ozone monitoring. Collaboration

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Emerging Design and Analysis Approaches in COVID-19 Research

Dennis Ross-Degnan from Harvard Medical School discusses the NEXT-D lessons for COVID-19 research, focusing on study design, bias reduction, data metrics, and the value of long-term research consortia like NEXT-D. The content covers interventions, comparators, observational study design issues, and

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