About Dr. Wendorf
I am an Associate Professor of Psychology with interests in the psychology of fairness, the psychology of culture, statistical methods, and psychology as applied to teaching.
- Office: D241 Science
- Phone: (715) 346-2304
- Email: cwendorf@uwsp.edu
Dr. Wendorf's Pages
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Statistics and SPSS Resources
Understanding Statistics
These online reference materials are designed to accompany my undergraduate statistics course. This section includes instructions on how to obtain basic statistical output using SPSS, how to interpret the output, the link between hand calculation formulas and SPSS output, and basic statistical tables. The materials in this section are intented to facilitate the connection between standard introductory statistics concepts and their implementation in SPSS. All are available for free use (with proper citation and references).
- Wendorf, C. A. (2009, May). A sourcebook for understanding statistics using SPSS. Available at http://www.uwsp.edu/psych/cw/statistics/Wendorf-UnderstandingSPSSStatistics.pdf [PDF]
- Wendorf, C. A. (2009, May). Statistical tables for psychologists. Available at http://www.uwsp.edu/psych/cw/statistics/Wendorf-StatisticalTables.pdf [PDF]
- Wendorf, C. A. (2009, May). Blank SPSS output for learning statistics. Available at http://www.uwsp.edu/psych/cw/statistics/Wendorf-BlankSPSSOutput.pdf [PDF]
- Wendorf, C. A. (2009, May). Reporting statistics in APA style. Available at http://www.uwsp.edu/psych/cw/statistics/Wendorf-ReportingStatistics.pdf [PDF]
In order to facilitate your use of the materials, I offer separate sections of these documents below, sorted by topic in introductory statistics:
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- Entering One Sample Data: SPSS Instructions
- Entering Multiple Sample Data: SPSS Instructions
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- Frequencies and Descriptive Statistics: SPSS Instructions | Annotated Output | Blank Output
- Descriptive Statistics and Transformations: Statistical Table | SPSS Instructions
- Correlations (Descriptive Aspects): SPSS Instructions | Blank Output
- Regression (Descriptive Aspects): SPSS Instructions | Blank Output
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- One Sample t Applications: Statistical Table | SPSS Instructions | Annotated Output | Blank Output
- Paired Samples t Applications: Statistical Table | SPSS Instructions | Blank Output
- Two Sample t Applications: Statistical Table | SPSS Instructions | Annotated Output | Blank Output
- Standardized Effect Size (Cohen's d): Power Table
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- Analysis of Variance: Statistical Table | SPSS Instructions | Annotated Output | Blank Output
- Post Hoc Comparisons: Statistical Table | SPSS Instructions | Annotated Output | Blank Output
- Repeated Measures ANOVA: Statistical Table | SPSS Instructions | Annotated Output | Blank Output
- Factorial ANOVA: Statistical Table | SPSS Instructions | Blank Output
- Variance-Accounted-For Effect Size (Eta-Squared): Power Table
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Please note that this is a work in progress and that not all portions are completed or currently available. They will be uploaded and revised periodically, so please stop back and refresh the page each time!
PsychStatManual: Manuals for Univariate and Multivariate Statistics
These manuals were created for clarification of the basic graduate-level concepts and as a refresher for those who may have long since forgotten those basics. Note, most importantly, that these guides do not include lengthy examples of the applications, but do include the theories, formulae, and assumptions inherent to univariate and multivariate techniques. Multiple choice quizzes on various topics are also available. [Please note that this is no longer under development.]
- Wendorf, C. A. (2004). Manuals for univariate and multivariate statistics (Revised ed.). Available at http://www.uwsp.edu/psych/cw/statmanual [HTML]