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  • Validity
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Analyzing Findings
Conditions of Use:
Remix and Share
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By the end of this section, you will be able to:Explain what a correlation coefficient tells us about the relationship between variablesRecognize that correlation does not indicate a cause-and-effect relationship between variablesDiscuss our tendency to look for relationships between variables that do not really existExplain random sampling and assignment of participants into experimental and control groupsDiscuss how experimenter or participant bias could affect the results of an experimentIdentify independent and dependent variables

Subject:
Social Science
Psychology
Material Type:
Module
Author:
Melinda Boland
Date Added:
01/12/2018
Assessment in Practice
Conditions of Use:
No Strings Attached
Rating

This workbook forms the basis of a Professional Graduate Certificate Module in Assessment.It offers a comprehensive collection of materials and activities in the realm of assessment.Please note: supplemental worksheets to accompany this are also available.

Subject:
Arts and Humanities
Business and Communication
Higher Education
Material Type:
Activity/Lab
Assessment
Teaching/Learning Strategy
Provider:
University College Dublin
Provider Set:
UCD Teaching and Learning
Author:
David Jennings
Date Added:
05/01/2013
Bias
Rating

Systematic error, or 'bias' is of particular importance in any epidemiological investigation, and should be avoided wherever possible. Biases will reduce the validity of any results obtained, whether it be by overestimating or underestimating the frequency of disease in a population or the association between an exposure and disease. The forms of bias covered here can only be minimised through careful study design and execution - they cannot be accounted for in the analysis. Although confounding is considered by many authors as a form of bias, it can be accounted for during analysis, and so is covered separately.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Veterinary Epidemiology
Date Added:
02/27/2015
Empirical Research Methods
Conditions of Use:
Remix and Share
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The main topics of study considered in light of the above learning outcomes are:Research philosophy (e.g. positivism, empiricism, naturalism)Formulating empirical research questions and conceptual research modelsCausality effects and relationshipsValidity and ReliabilityScales of measurement (e.g. nominal, ordinal, interval, ratio)Sampling methods (e.g. experiment, survey, observations) and measure instruments (e.g. Likert scales, semantic differential, event versus time sampling)Experimental design (e.g. within and between-subjects, factorial design, counter-balancing, Latin square)Biases in empirical research approaches (e.g. confounding variables, statistical power)Data preparation (e.g. standardization of data, reliability analysis, Inter-rater reliability)Hypothesis testing, t-test, (M)ANOVA, correlation, regression analysisNon-parametric approaches to data analysis

Subject:
Applied Science
Material Type:
Lecture Notes
Reading
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
Dr.Ir. W.P. Brinkman
Date Added:
07/21/2011
Introduction to Sociology 2e
Conditions of Use:
No Strings Attached
Rating

Introduction to Sociology 2e adheres to the scope and sequence of a typical, one-semester introductory sociology course. It offers comprehensive coverage of core concepts, foundational scholars, and emerging theories, which are supported by a wealth of engaging learning materials. The textbook presents detailed section reviews with rich questions, discussions that help students apply their knowledge, and features that draw learners into the discipline in meaningful ways. The second edition retains the book’s conceptual organization, aligning to most courses, and has been significantly updated to reflect the latest research and provide examples most relevant to today’s students. In order to help instructors transition to the revised version, the 2e changes are described within the preface.

Subject:
Social Science
Sociology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
02/01/2012
Introduction to Sociology 2e, Sociological Research, Approaches to Sociological Research
Conditions of Use:
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Define and describe the scientific methodExplain how the scientific method is used in sociological researchUnderstand the function and importance of an interpretive frameworkDefine what reliability and validity mean in a research study

Subject:
Social Science
Sociology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
11/15/2016
The New Nordic Diet - From Gastronomy to Health - SHOPUS - A Model for Improving Validity of Nutritional Intervention Studies Part 2 - The Results (10:52)
Rating

In this presentation, we will go through some of the very interesting results and our preliminary interpretation of the data from the SHOPUS project. Furthermore, we will talk about how using the shop model made it possible to achieve a very high compliance to the New Nordic Diet and the control diet (average Danish diet) and how to obtain the expected differences in food intake between those two study diets.

Subject:
Health, Medicine and Nursing
Nutrition
Material Type:
Lecture
Provider:
University of Copenhagen
Provider Set:
The New Nordic Diet - From Gastronomy to Health
Author:
Associate Professor Thomas Meinert Larseb
Date Added:
01/07/2014
Psychology
Conditions of Use:
No Strings Attached
Rating

Psychology is designed to meet scope and sequence requirements for the single-semester introduction to psychology course. The book offers a comprehensive treatment of core concepts, grounded in both classic studies and current and emerging research. The text also includes coverage of the DSM-5 in examinations of psychological disorders. Psychology incorporates discussions that reflect the diversity within the discipline, as well as the diversity of cultures and communities across the globe.Senior Contributing AuthorsRose M. Spielman, Formerly of Quinnipiac UniversityContributing AuthorsKathryn Dumper, Bainbridge State CollegeWilliam Jenkins, Mercer UniversityArlene Lacombe, Saint Joseph's UniversityMarilyn Lovett, Livingstone CollegeMarion Perlmutter, University of Michigan

Subject:
Social Science
Psychology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
02/14/2014
Psychology, Psychological Research, Analyzing Findings
Conditions of Use:
Remix and Share
Rating

By the end of this section, you will be able to:Explain what a correlation coefficient tells us about the relationship between variablesRecognize that correlation does not indicate a cause-and-effect relationship between variablesDiscuss our tendency to look for relationships between variables that do not really existExplain random sampling and assignment of participants into experimental and control groupsDiscuss how experimenter or participant bias could affect the results of an experimentIdentify independent and dependent variables

Subject:
Social Science
Psychology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Psychology, Psychological Research, Introduction
Conditions of Use:
No Strings Attached
Rating

This chapter covers:Why is Research Important?Approaches to ResearchAnalyzing FindingsEthicsFor more information, visit OpenStax College.

Subject:
Social Science
Psychology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Sampling
Conditions of Use:
Remix and Share
Rating

1). Identify the sampling method used in a study and discuss its implications and potential limitations.
2). Critically evaluate the reliability and validity of results published in mainstream media.
3). Summarize and describe the distribution of a categorical variable in context.

Subject:
Statistics and Probability
Material Type:
Module
Provider:
Carnegie Mellon University
Provider Set:
Open Learning Initiative
Date Added:
12/29/2017
Statistics in Psychosocial Research: Measurement
Conditions of Use:
Remix and Share
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Presents quantitative approaches to measurement in the psychological and social sciences. Topics include the principles of psychometrics, including reliability and validity; the statistical basis for latent variable analysis, including exploratory and confirmatory factor analysis and latent class analysis; and item response theory. Draws examples from the social sciences, including stress and distress, social class and socioeconomic status, personality; consumer satisfaction, functional impairment and disability, quality of life, and the measurement of overall health status. Intended for doctoral students.

Subject:
Statistics and Probability
Material Type:
Full Course
Lecture Notes
Syllabus
Provider:
Johns Hopkins Bloomberg School of Public Health
Provider Set:
JHSPH OpenCourseWare
Author:
Eaton, William
Garrett-Mayer, Elizabeth
Leoutsakos, Jeannie-Marie
Date Added:
02/16/2011
Symbolic Logic
Conditions of Use:
No Strings Attached
Rating

An introduction to symbolic logic with an emphasis on formal logical languages and natural deduction systems of logical proof. Students learn how to translate reasoning into a symbolic logical language and how to prove arguments valid with the precision of mathematics using formal systems of proof.

Subject:
Philosophy
Material Type:
Full Course
Provider:
Washington State Board for Community & Technical Colleges
Provider Set:
Open Course Library
Author:
Mark Storey
Paul Herrick
Date Added:
03/21/2017