'Interval ratio' diaporamas de présentation

Measuring Things

Measuring Things. Measurement. In this Slide Show Measurement: From Concept to Variable Coding Levels of Measurement Validity and Reliability. Measurement. A: FROM CONCEPT TO VARIABLE. Measurement .

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Regression & Correlation

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Week 9

Week 9. Chapter 9 - Hypothesis Testing II: The Two-Sample Case . Chapter 9. Hypothesis Testing II: The Two-Sample Case. In This Presentation. The basic logic of the two-sample case Test of significance for sample means (large and small samples)

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EDUCATIONAL STATISTICS

EDUCATIONAL STATISTICS. - EDU 5950 -. ABOUT THE INSTRUCTOR ASSOC. PROF. DR. ROHANI AHMAD TARMIZI. Email: rht@upm.edu.my rohaniat@gmail.com Tel: 89467005/0123100675.

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SOC 3155

SOC 3155. SPSS Review CENTRAL TENDENCY & DISPERSION. Survey Items. Nominal Measurement Good What college (e.g., CLA, CHESP) are you enrolled in? Not as good Are you a freshman, sophomore, junior, or senior? What is your college major? Political affiliation/Religion . Survey Items.

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Review of Factorial ANOVA, correlations and reliability tests

Review of Factorial ANOVA, correlations and reliability tests. COMM 420.8 Fall, 2007 Nan Yu.

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ANOVA & Regression

ANOVA & Regression. Selecting the Correct Statistical Test. Analysis of Variance. Is used when you want to compare means for three or more groups. You have a normal distribution (random sample or population). It can be used to determine causation.

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Statistics: A Tool For Social Research

Statistics: A Tool For Social Research. Seventh Edition Joseph F. Healey. Chapter 1. Introduction. Chapter Outline. Why Study Statistics? The Role of Statistics in Scientific Inquiry The Goals of This Text Descriptive and Inferential Statistics Discrete and Continuous Variables

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The t Test for Two Independent Samples

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Social Research Methods

Alan Bryman. Social Research Methods. Chapter 15: Quantitative data analysis. Slides authored by Tom Owens. Think about data analysis at an early stage in the research process Decisions about methods and sample size affect the kinds of analysis you can do. Introduction. Page 330.

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The Two Sample t

The Two Sample t. Review significance testing Review t distribution Introduce 2 Sample t test / SPSS. Significance Testing. State a Null Hypothesis Calculate the odds of obtaining your sample finding if the null hypothesis is correct

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Choosing the Appropriate Statistics

Choosing the Appropriate Statistics. Dr. Erin Devers October 17, 2012. Quantitative or Qualitative?. Is the data quantitative or qualitative? If qualitative, you have to do the hard work of coding the material numerically before analyzing it. Level of Measurement?. Nominal

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Determinants of Water Access

Determinants of Water Access. Brian Banks bb4934a@american.edu American University School of International Service. Research Question & Hypothesis. What factors determine the percent of the population with sustainable access to water?

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Variables & Measurement

Variables & Measurement. Lesson 4. What are data?. Information from measurement datum = single observation Variables Dimensions that can take on different values IQ, height, shoe size, hair color Is not the same for all individuals being measured ~. Measuring Variables.

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Function of Statistics

Function of Statistics. When researchers quantify their data at the nominal, ordinal, or interval/ratio level of measurement, statistics is used as a tool of either Description, Decision making, or Correlation. Description.

595 views • 8 slides