Driving simulator experiments: Power for repeated measures vs. completely randomized design

Birsen Donmez; Linda Ng Boyle; John D. Lee

doi:10.1177/154193120605002108

Driving simulator experiments: Power for repeated measures vs. completely randomized design

Birsen Donmez, Linda Ng Boyle, John D. Lee

Civil and Urban Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Driving simulator studies are usually designed to collect repeated measures on each participant. This design has different implications for the power of within and between-subject effects that needs to be recognized by researchers. The power for between-subject variables decreases when additional measures are collected on the within-subject variables. However, the power for the main and interaction effects of the within-subjects variables increases as more observations are collected on one participant. If the main interest of the experiment is a between-subject effect, such as age, then a completely randomized design can provide the same power with fewer participants. Through a case study, this paper demonstrates how the power changes between a repeated measures design and a completely randomized design.

Original language	English (US)
Title of host publication	Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, HFES 2006
Publisher	Human Factors and Ergonomics Society Inc.
Pages	2336-2339
Number of pages	4
ISBN (Print)	9780945289296
DOIs	https://doi.org/10.1177/154193120605002108
State	Published - 2006
Event	50th Annual Meeting of the Human Factors and Ergonomics Society, HFES 2006 - San Francisco, CA, United States Duration: Oct 16 2006 → Oct 20 2006

Publication series

Name	Proceedings of the Human Factors and Ergonomics Society
ISSN (Print)	1071-1813

Conference

Conference	50th Annual Meeting of the Human Factors and Ergonomics Society, HFES 2006
Country/Territory	United States
City	San Francisco, CA
Period	10/16/06 → 10/20/06

ASJC Scopus subject areas

Human Factors and Ergonomics

Access to Document

10.1177/154193120605002108

Cite this

Donmez, B., Boyle, L. N., & Lee, J. D. (2006). Driving simulator experiments: Power for repeated measures vs. completely randomized design. In Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, HFES 2006 (pp. 2336-2339). (Proceedings of the Human Factors and Ergonomics Society). Human Factors and Ergonomics Society Inc.. https://doi.org/10.1177/154193120605002108

Driving simulator experiments: Power for repeated measures vs. completely randomized design. / Donmez, Birsen; Boyle, Linda Ng; Lee, John D.
Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, HFES 2006. Human Factors and Ergonomics Society Inc., 2006. p. 2336-2339 (Proceedings of the Human Factors and Ergonomics Society).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Donmez, B, Boyle, LN & Lee, JD 2006, Driving simulator experiments: Power for repeated measures vs. completely randomized design. in Proceedings of the Human Factors and Ergonomics Society 50th Annual Meeting, HFES 2006. Proceedings of the Human Factors and Ergonomics Society, Human Factors and Ergonomics Society Inc., pp. 2336-2339, 50th Annual Meeting of the Human Factors and Ergonomics Society, HFES 2006, San Francisco, CA, United States, 10/16/06. https://doi.org/10.1177/154193120605002108

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Driving simulator experiments: Power for repeated measures vs. completely randomized design

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