205, Fall, 2016 Outline
Version of October 30, 2016 Remember to check for revisions! Send bug reports to revelle@northwestern.edu 


Readings to be done before class 

Week 1  
Sept 21  Introduction and Overview Statistical and Experimental Inference 
A study on memory: data collection  Turn in data sheets to my mailbox by Thursday  
Week 2  
Sept 26 
Reasoning in Research Review of statistical concepts Basic stats on our data the basic t.test 
A classic example of experimental reasoning Madsen and McGaugh (1961) 
review statistics from 201 Leary: Chapter 1, 2 

Sept 28  Examples of experimental reasoning
Research design as solving a puzzle Embracing the power of randomness 
A short introduction to R
Descriptive statistics using R  Leary Chapter 3
Roediger and McDermott (1995) (html) or Roediger and McDermott (1995) Turn in stats quiz Solving the homework by using R for statistics  
Week 3  
October 3  Review of statistics and of the homework  Optional readings for your enjoyment
simulating distributions Why you should not use Excel for statistics (Simonof) or how to fight spreadsheet addiction (Burns) 
stats home work solutions Another approach.  
Oct 5  Variables in Experimentation Overview of designs Within Subject designs Between subject designs 
Modality effects on false memory results
and the most recent results 
Are subjects WEIRD (optional)  
Week 4  
October 10  Variables in Experimentation Within Subject designs Experimental Control and Between subject designs 
Estimating the central tendency/dispersion
Analysis of Variance  APA Manual of Style see also the APA style FAQ as well as the APA tutorial of the basics of APA style Web based style guides by Dewey or by Plonsky as well as the U.W. writing center's guide 

October 12  Mid Term 1  Sample test from 2002
Another sample test with key from 2010 Midterm 1 from 2014 questions and answers 
Leary Chapter 11  
Week 5 

October 17  Writing a research paper The use of ANOVA and Linear Regression in interaction designs Old RM results  Bem (2003), Writing the empirical journal article using LaTeX to format an APA style paper Three output styles: journal, document, manuscript But one tex file (with an accompanying boxplot and another graphic file as pdfs and an example bib file embedded in the text document.) 
Remember the instructions for writing a research paper
Leary Chapter 4, 15 Using Endnote for references or using BibTex for references 

October 19  Artifacts in Experimentation Theory Testing  materials used in R & M study (For your paper)
R & M results and analysis Possible figures to include in your paper may be taken from this results handout. 
Leary Chapter , 10  
Week 6 

October 24  Design in Experimentation
Measurement Issues Correlational designs (reliability) 
Correlation and Regression overview
Problems with inference 
Paper 1 is DUE! Appointments for paper grading Midterm 1 questions with answers Midterm 1 distribution of scores 

October 26  Correlational designs (continued)
Interaction designs and analysis subject variables  Anderson and Revelle, 1994 see also Revelle, (1993) which reviews Thayer's results and discusses performance arousal theories  Experiment 2: simulation experiment The slides for Experiment 2. A simulation experiment handout describing the experiment for Paper 2. Block randomization using R Experiment2 You get to choose what to do within the constraints of this web based experiment. 

Week 7 

October 31  Correlation and Regression  Revelle, Humphreys, Simon and Gilliland, 1980 (this gives some of the EPI items to measure impulsivity and Revelle, Anderson, and Humphreys, 1987 (very large file) 

Nov 2 
Background on arousal theories A simulation experiment Revised again 
Observational versus randomized trials in field studies experiments versus field studies: the example of health Random assignment in field trials (Born et al., 2002) 
Using statistics in psychological research A short guide to R for 205 students Long guide to R Detailed handout on data analysis for experiment 2 An even simpler guide to R written by a 205 student 

Week 8 

November 7  searching the literature Exploratory and Confirmatory data analysis Pitfalls in scientific research 
Searching the literature using Google Scholar or Psych Lit  Shorter guide to R
An even simpler guide to R Help on data analysis 

Nov 9  Methods in Differential Psychology

Methods in differential psychology  Paper 2 is DUE!
Schedule appointments for grading 

Week 9 

Nov 14  Midterm # 2  Study guide for Midterm 2 Example and answers for Midterm 2 (from 2010) 

Nov 16 
Ethics in Research 
On Being a Scientist (NAS)
Ethical Standards of APA (2010) 
Leary Chapters 14, 12, 13 

Week 10  
Nov 21 
Alternatives to Experimentation Advanced statistical procedures Course Review 
Quasiexperimental designs and other kinds of designs  Research Proposals for final project due  
Nov 23  Oral reports on research proposals (Optional)  Other topics  Using Qualtrics to collect data scoring scales using qualtrics 

Week 11 

November 28  Reading Week begins  appointments for analysis help  Analyze study 3
How to use R to score scales Getting started in R with links to other tutorials) 

Finals Week
December 9 
course evaluation (CTEC)  Paper 3 due Optional Final Exam 