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Plotting Likert and Other Rating Scales PRESENTED BY Naomi B. Robbins NJTUG | Hoboken | January 31, 2012 | Copyright © 2012 Naomi B. Robbins
What are rating scales? ©2011 Tableau Software Inc. All rights reserved. Psychometric scales commonly used in questionnaires Likert Strongly disagree, disagree, no opinion, agree, strongly agree Semantic differential scales Other bipolar adjectives; e.g., not important to very important, evil to good.
Questions we asked How are rating scales plotted now? Which type of graph do we like best? Can we plot it using Tableau Software?
How are rating scales plotted now? Tables Grouped bar chart Divided bars Multiple pie charts Waffle charts Ribbon charts Radar Plots Showing average for each question Diverging stacked bars
Table: Oct Amstat News.
Figure: Oct Amstat News
Mean for each category
Multiple pies by count
Waffle chart Academic Business/ Industry Government
Source of waffle chart
Ribbon from Excel
Diverging stacked bar chart
Features of diverging stacked bar charts ©2011 Tableau Software Inc. All rights reserved. 1. Centered at 0, with reference line at 0 2.Reference line behind bars so that no opinions not split 3.Symmetric intensity of colors in each direction 4.Colors that are accessible to those with color vision deficiencies 5.Sort by right-hand side 6.Parallel one-dimensional bars for each question or group
Adding other categories
Contact info: ©2011 Tableau Software Inc. All rights reserved. Naomi B. Robbins (973) Author: Creating More Effective Graphs (Wiley 2005)
©2011 Tableau Software Inc. All rights reserved. I claim that communicates more clearly and accurately than do or,,,,,,.
Graphing Examples Categorical Variables. Table Pie Chart.
Representing and Analyzing Data 3,9,5,2,7,9,6,4,10,1,9, First, before finding the mode, median, range, we should_______________ What is the mode? ______.
Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall2(1)-1 Chapter 2: Displaying and Summarizing Data Part 1: Displaying Data With Charts.
Copyright © 2011, Elsevier Inc. All rights reserved. Chapter 8 Author: Julia Richards and R. Scott Hawley.
Spreadsheets Ms. Scales. What is a Spreadsheet? 0 Spreadsheets 0 A document, or table that is made up of rows and columns. 0 Table 0 Columns and rows.
Copyright © 2011, Elsevier Inc. All rights reserved. Chapter 14 Author: Julia Richards and R. Scott Hawley.
GROUP MOBILE FEATURES POWERED BY INFRADAR By Ecartstudio Co., Ltd.
Copyright © 2013, 2009, and 2007, Pearson Education, Inc. Chapter 2 Exploring Data with Graphs and Numerical Summaries Section 2.2 Graphical Summaries.
HAWKES LEARNING SYSTEMS Students Matter. Success Counts. Copyright © 2013 by Hawkes Learning Systems/Quant Systems, Inc. All rights reserved. 2.2b(vi)
11 Aug Infographics Overview on What is important Traditional graphs Charts for specific usages Common misleading factors Read also the two books.
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Themis IA testing: Lessons learnt from performing study Scott Rippon, User Experience Consultant ITS > Web Services > User Experience Design team.
Charts MOAC Lesson 6. Chart Visual representations of numerical data (John Wiley & Sons, Inc., 2012)
Statistics 3502/6304 Prof. Eric A. Suess Chapter 3.
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Quantitative Numbers Qualitative Descriptions.
Excel Charts. Column Chart The Column Chart will show the comparison of one or more series of data points. It is specially useful in comparing multiple.
Copyright © 2014 Pearson Education. All rights reserved Picturing Distributions of Data LEARNING GOAL Be able to create and interpret basic.
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Copyright © 2010 by The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin Chapter 2 Descriptive Statistics: Tabular and Graphical Methods.
How to talk about a set of numbers? 1. Put them in order 2. Graph them Rules Label axes Divide up the axes evenly.
Copyright © 2014 Pearson Education, Inc. All rights reserved Chapter 2 Picturing Variation with Graphs.
Chapter 15 Basic Statistics. §15.1 thru 15.4 – Graphs Bar graphs – Example 1 p. 483 – Problems 15.1 #18, 20, 22 (p. 483) Circle graphs – Figure 15.2 p.
Data Analysis Qualitative Data Data that when collected is descriptive in nature: Eye colour, Hair colour Quantitative Data Data that when collected is.
How to Avoid Some Common Graphical Mistakes London October 1, 2012 Copyright © 2012, Naomi B. Robbins.
EXECUTIVE WORKSHOP VOTING SOFTWARE. Sharpe Decisions A Customer-Centric Corporation Provides 24/7 Telephone Support – Toll Free in North America On-site.
How can we show information in a chart or graph? Bar Graphs Pie Charts.
Describing Data Visually Describing Data Visually Chapter33 Visual Description Dot Plots Frequency Distributions and Histograms Line Charts Bar Charts.
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Lesson 2-1 Example The tally chart shows the color of shirts worn in Ms. Park’s class. Make a bar graph of the data in the tally chart. How many.
Copyright © 2010, 2007, 2004 Pearson Education, Inc. - use pie charts, bar graphs, and tables to display data Chapter 3: Displaying and Describing Categorical.
Macroeconomics First Edition Chapter 2 Appendix: Graphs in Economics Copyright © 2006 by Worth Publishers Paul Krugman and Robin Wells.
Direct measures Semantic differential scale Likert scale Indirect measures Physiological measurements Projective tests.
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Climatic Graph Tutorial Start We can use this Excel spreadsheet to plot the climatic graph with the data in this table. End.
Waves Copyright© 2015 EducAide Software Inc. All rights reserved.
A lesson approach © 2011 The McGraw-Hill Companies, Inc. All rights reserved. a lesson approach Microsoft® Excel 2010 © 2011 The McGraw-Hill Companies,
Programming in R Describing Univariate and Multivariate data.
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Unit 5C Statistical Tables and Graphs. TYPES OF DATA There are two types of data: Qualitative data – describes qualities or nonnumerical categories EXAMPLES:
Repeatedly measure something: What will be measured? _________________ How will it be measured? ________________ -AND/OR- Count the number of times.
Graphs of Functions Digital Lesson. Copyright © by Houghton Mifflin Company, Inc. All rights reserved. 2 The graph of a function y = f (x) is a set of.
Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin Chapter 2 Descriptive Statistics: Tabular and Graphical Methods.
TABLES, CHARTS, AND GRAPHS. TABLES A Table is simply a set of numbers from which you could draw a graph or chart. A table should provide a clear summary.
Treatment of Data Techniques IB Geography I. Purpose of this PPT Use this Power Point to decide how you will treat your data. Remember, there may be multiple.
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