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  burtthompson.net

Psy 222 Research Methods
Spring 2025


Congratulations to the "Best Research Poster" winners, Lesego, Tessa, Selah, and Peyton.
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Dr. Thompson's spring 2025 office hours (DePaul Hall, room 107)
  • Monday 9:30-11:30 (except April 28)
  • Thursday, 9:00-12:00
  • Friday 1:30-2:30
  • Other times available by appointment
No class meeting on Friday April 28.
  • Answer these questions, which will be discussed in class on April 30.
  • Listen to these two songs (or at least read the lyrics). What principles of research methodology do they emphasize? We'll discuss on Wednesday.
    • ​Co-Relations Don't Prove Causation
    • What We Knew Before
Major due dates for spring 2025 (subject to change)
  • UPDATE: February 5, Exam 1, chapters 1 and 14, plus additional info.
  • UPDATE: February 26, Exam 2, chapters 2 and 3, plus additional info.
  • UPDATE: March 26, Exam 3, chapters 4-5, plus additional information
  • UPDATE: March 31, paper peer review
    • bring one printed copy of your almost-final draft to class
  • UPDATE: April 2, final APA research paper due
    • Bring one printed copy to class.
    • email a PDF of your paper (not a link). Only PDFs will be accepted.
  • April 11: JASP homework -- JASP bean bag data homework
    • Enter the data
    • Do the two repeated measures ANOVAs (Classical and Bayesian)
    • Edit the title of the two analyses, adding your name
    • Export the results to your computer as a PDF and email that to me
  • ​UPDATE: May 5, poster session for team projects
  • May 12, Comprehensive final exam
    • Chapters 6, 7, 10, plus everything else from this semester
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How to study: Emphasize spaced retrieval practice. Don't just reread and highlight. Practice what you will have to do on the exam. Rereading and highlighting will not be part of the exam. Also see "Study tips for college students" by Willingham (2016), linked under Course Material.

Dr. Thompson's songs about science and research
Research Groups
  • (1) Tessa, Selah, Lesego, Peyton
  • (2) Wathon, Madeleine, Elizabeth, Charlie
  • (3) Lexi, Amelia, Kayla, Sarah
  • (4) Olivia, Alyssa, Dalylah
  • (5) Mehgan, Jaylan, Josalyn

Class research study materials
  • sources to read and cite
  • paper outline
  • survey
  • Results section (choose the best version for you)
Pages version
Word version
PDF version
Course Material​​​​​​​
  • ​Exam 1 study guide (chapters 1 and 14)
  • Exam 2 study guide (chapters 2, 3, 11)
  • Exam 3 study guide (chapters 4, 5, 6)
  • Exam 4 study guide (chapters 7-8)
  • Chapter 10 study guide
  • ​How to study for quizzes and exams
  • Willingham (2016) Study tips for college students​
  • Videos
    • Class videos and statistics videos (R, JASP, making CSV files)​​
  • Additional readings
    • Sagan (1995) pages 2-7
    • Sagan (1995) Chapter 2
    • Matthews (2016) Tell me straight doc
    • Amrhein et al. (2019) Retire statistical significance​
    • ASA statement on p-values
  • odds and probability conversion chart​
General research information​
  • APS open science badges
  • AsPredicted research study preregistration site
  • Preregistration is becoming the norm (Nosek & Lindsay, March 2018)
  • The Preregistration Challenge
  • Information about predatory journals
  • Psychotherapy's Image Problem
  • Dowsing for bodies (Steven Novella)
  • Why debunked pseudoscientific therapies persist (Lilienfeld et al. 2014)
  • Psychological treatments that cause harm (Lilienfeld, 2007)
  • Whatever happened to actual behavior? (Baumeister et al. 2007)
  • Homeopathy: There's nothing in it
  • James Randi on dowsing and the ideomotor effect (YouTube)
  • Do IRBs actually protect research participants? (Grady, 2010)
Writing research papers and posters
  • Team research proposal form
  • Write results that make sense
  • PsycINFO information on the APA web site
  • APA style blog
  • APA research paper checklist
  • Better graphs to show your data (Hehman & Xie, 2022)
  • Basics of APA style
  • How to avoid term paper procrastination
  • Sample APA papers (from the APA style website)
  • APA paper templates:   Pages    Word
  • Poster templates (24 x 36 inches):   Keynote     PowerPoint
  • Tips for making posters
  • Poster checklist​
  • What is BF and p-value? PDF graphic for posters
  • NU Psychology research guide​​
JASP and R for data analysis
  • Download R
  • Download JASP
  • JASP tutorials
  • Quick-R: Info. on using R​
Other information on data analysis
  • American Statistical Association statement on p values​
  • p values are misunderstood (Goodman 2008)
  • When Turing met Bayes (Matthews)
  • Make use of what you already know (Matthews)
  • Bayes Factor calculators (U of Missouri, Perception and Cog. lab)
  • Bayesian estimation for two groups (online version by Bååth)
  • Activity: Alpha is not the false alarm rate
  • Activity: Bayes factors and prior by posterior graphs
  • Activity: Graphs for factorial designs​
  • Visual introduction to probability and statistics (Brown Univ)
  • Interactive visualizations of statistical concepts from Magnusson
    • confidence intervals
    • correlation
    • Cohen's effect size d
    • Bayesian inference​