Research Methods I

Mar 29, 2012

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Difference between ANOVA and Regression Analysis???. We have said:Regressions assess the relationship between two variables (measures) using continuous data.ANOVA compares several groups (mean scores of different groups) in terms of a certain dependent variable.However, when taking a second look

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Research Methods I

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Research Methods

2. . . Previouslywe looked at turning Research ideas into Research Projects. Move from a Research idea. To a General Focus Research Question. To a series of Research Questions. To Specific Research Objectives. . . . And we considered..The literature review process. Research questions and objective

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Research Methods I

Correlated Independent Variables. In the social sciences we will often have situations in which the independent variables are correlated with each other.Education and maternal sensitivityMarital aggression and marital harmonyAge and speech rate to predict memory spanIn the case of a non-orthogon

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Research Methods I

Review. Multiple regression analyses includes two or more independent variables in the prediction of the dependent variableTwo kinds of multiple regression analyses:Orthogonal (IVs are not related)Non-orthogonal (IVs are related)Regression plane (best-fit plane like best-fit line)Y' = a bX

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Research Methods

Research Methods. Howell Istance Department of Computer Science De Montfort University. This session…. Why do you need this…. Online resources Literature reviews The nature of research Questionnaire design Structured investigations. Why do you need this…?.

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Research Methods I

What is multiple regression analysis?. Predict the dependent variable from more than one independent variables (two or more).Independent variables are not correlated to each other (they are orthogonal)Mostly found in experimental designsIndependent variables are correlated to each otherMostly f

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Overview of PSY206F – Research methods I

Overview of PSY206F – Research methods I. planning research - research design types of research design – experiments, qualitative research psychological measurement – psychometrics data analysis - statistics. Objectives:.

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Research Methods I

Why Statistics Scientific Method. A systematic, controlled, empirical and critical investigation guided by theoryState problemHypothesisTest relationships empiricallyDraw conclusions. Levels of Measurement. Qualitative vs. QuantitativeCategorical vs. ContinuousNominal vs. interval and rati

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Research Methods I

Introduction. ANOVA is very much like a t-test.It is an analysis that compares sample means with one another to see if they are significantly different from one anotherANOVA however can compare more than two sample means (like the t-test)ANOVA needs a follow-up test if the null hypothesis is reje

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Research Methods I

Different Tests of Significance. One-Sample z-test or t-testCompares one sample mean versus a population meanTwo-Sample t-testCompares one sample mean versus another sample meanIndependent t-tests (equal samples)Dependent t-tests (dependent/paired samples)One-way analysis of variance (ANOVA)Comparing several sample means.

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Research Methods I

Introduction to Chi-Square Tests. Chi-square test do hypothesis testing for categorical (nominal) variablesFocus is the number of people in each category rather than means of dimensionsHow many male versus female students on campusFavorite brand of soft drink in America? How different are they in

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Research Methods..

Research Methods. Understanding and working with the major forms of research. 4 Basic Principles of Research. Objective= without bias Replicable= stands the test of time Valid= accurately measures the variables studied Reliable= results aren’t skewed.

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Research Methods

Research Methods. AP Psych – Chapter 2 Psychology’s Scientific Method Alice F. Short Hilliard Davidson High School. Psychology Majors. 2 Most Commonly Required Classes: Research Statistics A SHORT Time to Ponder

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Research Methods

Research Methods. Leadership 389. Measuring the Weight of Smoke. Sometimes things that seem immeasurable can be measured well It often takes creativity and a leap of faith to figure out how to measure some things. Outline. How do we Know? Scientific Method Four Canons of Science

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Research methods

Research methods. AP Psychology Rowland High School. Research Methods. The need for psychological science The limits of human intuition Intuition - something known or believed instinctively, without actual evidence for it (ordered share). Research Methods.

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Research Methods and Methods for Research

Research Methods and Methods for Research. There are a large variety of tools of interest for National Security and Intelligence Analysis Some generic classes might be useful to organize them These are often ambiguous and not mutually exclusive. Classes of Analytic tools.

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Research Methods

Research Methods. Review AP Psychology. Research Methods. Empirical investigation = observation Scientific method Hypothesis If A, then B Random sample and random assignment Control group Replicate. Research Methods. Controlled Experiment Establishes cause and effect relationships

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Research Methods in T&I Studies I

Research Methods in T&I Studies I. Dialect, Register, Style and Generic Conventions. Dialect, Register, Style and Generic Conventions. Text “a verbal record of a communicative event” (Brown & Yule 1983:6). Dialect, Register, Style and Generic Conventions.

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Research Methods in T&I Studies I

Research Methods in T&I Studies I. Semiotic features. Semiotic features. Semiotics The study of signs Ferdinand de Saussure (semiology) Roland Barthes Julia Kristeva Umberto Eco Charles S. Pierce (semiotics) Charles W. Morris Thomas Sebeok Umberto Eco (bridges both approaches)

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RESEARCH METHODS IN I/O PSYCHOLOGY

RESEARCH METHODS IN I/O PSYCHOLOGY. Goals of Science. Description Prediction Explanation. Research process - summarized as 5–step sequence. Statement of the problem. Design of research study. Measurement of variables. Analysis of data. Conclusions from research.

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Research Methods in T&I Studies I

Research Methods in T&I Studies I. Dr Morven Beaton-Thome 29 September 2009 Introductory Session. Overall aims of the module. To acquaint you with research resources for T&I Studies To encourage and develop critical reading and informed analysis

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Research Methods

Research Methods. Research ethics. Research Ethics. Marketplace of ideas--no scientific misconduct Research fraud = falsification of data Plagiarism = theft of words and ideas Personal and professional ethics regarding research subjects

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URBP 204A QUANTITATIVE METHODS I Survey Research I

URBP 204A QUANTITATIVE METHODS I Survey Research I. Gregory Newmark San Jose State University (This lecture is based on Chapters 7, 9 & 10 of Earl Babbie’s The Practice of Social Research, 10 th Edition . All cartoons are from CAUSEweb.org by J.B. Landers.). Populations and Samples.

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