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2015 Webinar Profile

Considerations for Validity in Experimental and Quasi-Experimental Research
Presented by Joseph Keebler, Wichita State University
Monday, June 15, 2015


Joseph Keebler
In this webinar, Joseph Keebler will discuss the importance of threats to validity and their implications for design in applied and quasi-experimental research. The webinar will emphasize construct, statistical conclusion, and internal and external validity. Keebler will review each type of validity with a focus on aspects of research design that can prevent researchers from making empirical judgments and causal inferences.

This webinar is appropriate for researchers with knowledge of experimental design but little or no familiarity with validity. It will be valuable for those in either academic or industry settings. Keebler will focus on design implications for research when it is hard or impossible to have a well-controlled experiment. He will detail some of the best ways to handle this lack of control by discussing various design approaches and methods for analyzing data to test for threats to validity. This will include designs that don't have control groups, designs lacking pretests, and time-series designs.

Joseph Keebler is an assistant professor in the human factors program at Wichita State University. His research focuses on the application of HF/E to high-risk systems, including work that has spanned applications in both military and medical domains. He teaches undergraduate courses in biopsychology and research methods, and graduate courses in biological and philosophical foundations of psychology, HF/E methods in teamwork and training, and advanced linear modeling.

If you are an HFES member, all webinar recordings and handouts will be available at within 5 business days of the presentation. If you are not an HFES member and you register for a webinar, you will be e-mailed a copy of the webinar recording and handouts also within 5 business days.