Taught by Dr. Robert (Bob) Kaufman

Learn how to interpret interaction effects and how to use the ICALC Toolkit to produce the calculations, tables and graphics you need to help you understand and explain your results.

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Necessary Background: Proficiency with the use and interpretation of regression analysis (ordinary least squares); at least an introductory knowledge of interaction effects and of the basics of running Stata. Should also have, at a minimum, a readers knowledge of common non-linear models such as logistic regression, probit analysis and count models.

Fee: $995 ($495 for Graduate Students) payable by check, money order or purchase order, made out to Temple University.  Participants receive

  • Bound copy of detailed lecture notes and PPT Slides
  • Flash Drive with all do-files and datasets for book examples
  • Lunch both days
  • Morning and mid-afternoon snacks and beverages both days

Selected Nearby Hotels:

  • Courtyard by Marriot, 21 N. Juniper St. Phone: 215-496-3200.
  • Residence Inn, Penn Square One East. Phone: 215-557-0005.
  • Le Meridien Philadelphia, 1421 Arch St. Phone: 215-422-8200.
  • Doubletree by Hilton, 237 S. Broad St. Phone: 215-893-1600.
  • Kimpton Hotel Palomar, 117 S. 17th St. Phone: 215-563-5006.


Send payment to

ICALC Workshop
c/o Ms. Catherine Staples
Department of Sociology
713 Gladfelter Hall
Temple University
Philadelphia, PA  19122

Topics and Schedule

Day One (9:00 am – 5:00 pm)
  • Welcome & overview
  • General background and common problems
  • Principles of interpretation and best practices for linear models

Morning Break (10:45 am)

  • One moderator examples applying principles

Lunch (12:15 pm)

  • Using ICALC commands for linear models
  • More examples, start to finish using ICALC

Afternoon  Break (3:00 pm)

  • Lab time for participants to run examples, ask questions
Day Two (9:00 am – 5:00 pm)
  • GLM as two component model
  • Challenges of interpretation in GLMs
  • Solutions

Morning  Break (10:45 am)

  • Additional ICALC options for GLMs

Lunch (12:15 pm)

  • Examples start to finish with ICALC
    • Logistic 2 moderator example
    • Count model 1 moderator example
    • Count model  3-way interaction example
  • Extensions

Afternoon  Break (3:00 pm)

  • Lab time for participants to run examples, ask questions