'Confounding variables' diaporamas de présentation

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Confounding in epidemiology

Confounding in epidemiology. Maura Pugliatti, MD, PhD Associate Professor of Neurology Dept. of Clinical and Experimental Medicine, Unit of Clinical Neurology University of Sassari, Italy 1 st International Course of Neuroepidemiology Chisinau, Moldova, 24-28 Sept. 2012.

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Research Methods

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Alan S. Go, M.D. Division of Research, Kaiser Permanente Northern California

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INTRODUCTION TO PSYCHOLOGY

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Collinearity

Collinearity. Symptoms of collinearity. Collinearity between independent variables High r 2 High vif of variables in model Variables significant in simple regression, but not in multiple regression

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The Use of Theory Part 1: Quantitative Methods

The Use of Theory Part 1: Quantitative Methods. Produced by the Applied Research Center and the Alvin Sherman Library. Video: 7 min. 15 sec. Qualitative and Quantitative Methods. Use of Theory Varies According to Methods.

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A New Methodology for Testing the Effect of Using Word Processors on NAEP Achievement

A New Methodology for Testing the Effect of Using Word Processors on NAEP Achievement. Amos Glenn July 13, 2013. Why a new methodology?.

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Introduction to Research: Measurement

Introduction to Research: Measurement. Part 2 of 3 By: Danielle Davidov, PhD & Steve Davis, MSW, MPA. OUTLINE . 1) Threats to research studies 2) Steps in the research design process 3) Identifying and defining variables 4) Validity and reliability of measurement.

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The Scientific Method

The Scientific Method. Do you remember this from science class ? http://education-portal.com/academy/lesson/psychology-is-a-science.html. Types of Research. SIX types of Research. Naturalistic Observation. = observing behavior in the natural environment w/o manipulation POSITIVES:

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Types of Descriptive Research

Types of Descriptive Research. The Case Study The Survey Naturalistic Observation. The Case Study. Where one person (or situation) is observed in depth. What are the strengths and weaknesses of using a tragedy like the Columbine School Shootings as a case study?. The Survey Method.

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Introduction to Research: Measurement

Introduction to Research: Measurement. Part 2 of 3 By: Danielle Davidov, PhD & Steve Davis, MSW, MPA. OUTLINE . 1) Threats to research studies 2) Steps in the research design process 3) Identifying and defining variables 4) Validity and reliability of measurement.

374 views • 26 slides

Behavioral Research Methods

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Evaluation of Statistical Reports

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Threats to the Credibility of Research

Threats to the Credibility of Research. Farzin Madjidi, Ed.D. Pepperdine University G.S.E.P. Threats to Credibility. External Validity Internal Validity Sound Practices Note: These are very different from validity of a test item or an instrument. External Validity.

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AP STATS: 50 point quiz

AP STATS: 50 point quiz.

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Anxiety

Anxiety. Jade Gamber Ferris State University. Purpose. Awareness Review Evidence Based Research Enhance Nursing Care. Summary of Presentation. Describe the nursing care problem Summarize individual parts of the research study TRUEPIC care plan

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Research Methods

Research Methods. Validity. internal validity extent to which results (differences in DV) can be attributed to IV must try to eliminate confounds : any factor occurring in a study that makes the results uninterpretable; anything other than the IV that might influence the DV

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Does music genre affect hours of sleep of Washburn high schoolers?

Does music genre affect hours of sleep of Washburn high schoolers?. Camilo Ferreira and Sam Rysdon AP Statistics // Mr. Selvaag 6th Hour 2018. Introduction. High school -> prevalent stress culture = decreased sleep Could music culture of high school have an impact as well?

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Psychology 10

Psychology 10. Analysis of Psychological Data January 22, 2014. Scientific Inquiry. Science is empirical Loop of scientific inquiry: Encounter a problem. Come up with an idea about it. (Hypothesis.) Observe. Reflect. Refine the problem. What does that have to do with statistics?.

187 views • 12 slides