Grad Statistics

Psychology 5741/5751

Handouts

A number of handouts, class notes, old exams, etc. are available in Adobe Acrobat pdf (portable document format). To retrieve and view these files you will need Adobe Acrobat Reader which can be downloaded free for Macintosh, Windows, and a variety of Unix platforms. (Note: students using the computers in the Seuss lab do NOT need to do this.)

Download Adobe Acrobat Reader

Help on using Acrobat Reader. (Very useful for first-time users.) [20 pages/84K]

We are adding a few items on an experimental basis. Check later for more items! Sending comments to Gary.McClelland@Colorado.edu indicating that you find these materials useful might accelerate the conversion rate. :-)

Chapter 5. Simple Models: Statistical Infernces about Parameter Values

Lecture Notes (Rough!) [14 pages, 50K]
Type I Error and Power for testing a mean. Based on the example used in Chapters 4 and 5 of testing whether the math scores for 15 students differ from 65.
Statistical Power as a function of eta^2 (or True PRE) and number of observations.
Detailed Example comparing claimed and actual SAT-Verbal scores using SAS/Insight and the statistical tools from Chapter 5.

Chapter 8. Multiple Regression: Models with Multiple Continuous Predictors

Brief Lecture Notes. [3 pages/17K]
Meaning of Partial Regression Coefficients. Detailed tables and graphs to accompany the example in Section 8.5 of Judd & McClelland (1989). [11 pages/24K]
Step-by-Step Chart Decomposing DATA = MODEL + ERROR. One-page overview chart to accompany the above handout. [1 page]
The following exams cover the material in Chapter 8.

Chapter 9. Outliers and Data Having Undue Influence

Brief Lecture Notes for Chapter 9. [9 pages, 334K]
Levers for Two Predictors. [1 page, 40K]

Chapter 10. Interactions and Polynomial Regression: Models with products of Continuous Predictors

Quadratic Curve and Tangent Slopes. [1 page]
Microscope Zoom on Quadratic Curve. Shows that when viewed closely any curve looks like a straight line. [3 pages]

Chapter 11. One-Way ANOVA: Models with Single Categorical Predictors

One-Way Contrast Codes: Practice Problems. [2 pages]
One-Way Contrast Codes: Practice Problems with Answers. [4 pages]

Chapter 12. Factorial ANOVA: Models with Multiple Cateogrical Predictors and Product Terms

Alternative ANOVA Decompositions. Illustrates that any 2-way ANOVA dataset can be decomposed in many ways. [8 pages/24K]
Factorial Contrast Codes: Practice Problems. [1 page]
Factorial Contrast Codes: Practice Problems with Answers. [4 pages]
The following exams cover the material in Chapters 11 and 12.

Chapter 13. ANCOVA: Models with Continuous and Cateogrical Predictors and Product Terms

Chapter 14. Repeated Measures ANOVA: Models with Nonindependent ERRORs

The following exams cover the material in Chapters 13 and 14.

General

Equivalent Names for Statistical Tests. Gives the equivalent test in the Judd & McClelland (1989) model comparison framework for common statistical tests. [2 pages/12K]
Final Exams for Second Semester
- Fall Final, 1994. [9 pages, 20K]
- Fall Final with Answers, 1995. [10 pages, 188K]
- Spring Final, 1996. [15 pages, 498K]
- Answers to Spring Final, 1996. [6 pages, 220K]

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Comments to: Gary.McClelland@Colorado.edu
Revised: 20 November 1996