Fall 2017

MEMH 318, MW 2:00-3:15

• Conditional probability, visualized and explained; posted Sept. 27
• A checklist to prevent p-hacking; posted Sept. 18
• More about Registered Reports; posted Sept. 15
• Hack Your Way to Scientific Glory; posted Sept. 13
• Hot off the presses: Reporting effect sizes (a discussion & tutorial); posted Sept. 13

• Problem Set 1 (due 8/28)
• Problem Set 1 Answer Key
• Problem Set 2 (data files: rtdata.csv; somedata.csv; sternberg.csv; baseball1986.csv)
• Problem Set 2 Answer Key
• Problem Set 3 (data file: sign.csv)
• Problem Set 3 Answer Key
• Problem Set 4
• Problem Set 4 Answer Key (forthcoming)
• Problem Set 5

• Wilkinson et al. (1999, American Psychologist)
• JARS (2008, American Psychologist)
• Cohen (1994)
• Bakker & Wicherts (2011)

Other useful and informative stuff

• Homework guidelines
• spreadsheet for calculating binomial distribution probabilities
• Sign test power analysis using G*Power

R drill handouts and data files

1. Drill 1 & Exercise 1
2. Drill 2 & Exercise 2 (Sept 6-8)
3. Drill 3 & Exercise 3 (Sept 13-15)
4. Drill 4 & Exercise 4 (Sept 20-22)

Handouts & Archive

• archived R scripts: 8.23; 8.28; 8.30; 9.18

• R - free, powerful statistics software
• RStudio - a terrific (free!) user interface for R (and a development environment)
• G*Power - free software for power analysis
• PANGEA - online power analysis software for general ANOVA designs

Miscellany

• Dr. Karl Wuensch's (at East Carolina University) amazing collection of stats notes
• A funny (?) picture for remembering the types of kurtosis
• Some transformation guidelines (from Andy Field's SPSS textbook)

Tutorials (check back often)

R

• R Tutorial (to get started)
• R Tutorial (another one!)

SPSS

• SPSS tutorials

Diversions & Apps

• A Java applet that illustrates sampling distributions
• Normal Probability Calculation from Seeing Statistics by Gary H. McClelland
• p-curve web app
• A lovely interactive tool for visualizing correlations (from Kristoffer Magnusson)
• And another tool for understanding Cohen's d (also from Magnusson)

Online textbooks

• Electronic Statistics Textbook - from StatSoft, the makers of Statistica
• StatNotes - now a searchable database (somewhat poorly organized)
• NIST's Engineering Statistics Handbook (an amazing resource)

• (many) common R functions; posted Sept. 8
• probability cheat sheet (super detailed, way beyond what you'll need for this class); posted Aug. 30