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Mailing Address:
P. O. Box 282
Ardmore, PA 19003

Phone:
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Upcoming

Seminars

Scale Construction
and Development
Tenko Raykov, Instructor
May 31-June 1, Philadelphia

Text As Data
Christopher Bail, Instructor
May 31-June 1, Philadelphia

Statistics With R
James Curley, Instructor
June 7-8, Philadelphia

Multilevel Modeling of 
Non-Normal Data
Donald Hedeker, Instructor
June 7-8, Philadelphia

Longitudinal Data Analysis 
Using Stata
Paul Allison, Instructor
June 15-16, Boston
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Treatment Effects Analysis
Online
Stephen Vaisey, Instructor
June 22-July 20

Causal Inference with 
Directed Graphs
Felix Elwert, Instructor
July 2-3, Berlin
Early registration deadline is 
June 4

Mediation, Moderation, and Conditional
Process Analysis
Andrew Hayes, Instructor
July 16-20, Chicago
Early registration deadline is 
June 18

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Paul Allison, Instructor
July 16-20, Chicago
Early registration deadline is 
June 18

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