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Do Familiar Teammates Request and Accept More Backup? Transactive Memory in Air Traffic Control

University of Central Florida, Orlando, Florida, kjentsch{at}mail.ucf.edu

Kurt Kraiger

Colorado State University, Fort Collins, Colorado

Janis A. Cannon-Bowers

University of Central Florida, Orlando, Florida

Eduardo Salas

University of Central Florida, Orlando, Florida

Objective: The present study investigated factors that explain when and why different groups of teammates are more likely to request and accept backup from one another when needed in an environment characterized by extreme time pressure and severe consequences of error: commercial air traffic control (ATC). Background: Transactive memory theory states that teammates develop consensus regarding the distribution of their relative expertise as well as confidence in that expertise over time and that this facilitates coordination processes. The present study investigated whether this theory could help to explain between-team differences in requesting and accepting backup when needed. Method: The present study used cross-sectional data collected from 51 commercial ATC teams. Hypotheses were tested using multiple regression analysis. Results: Teammates with greater experience working together requested and accepted backup from one another more than those with lesser experience working together. Teammate knowledge consensus and perceived team efficacy appear to have mediated this relationship. Conclusion: Transactive memory theory extends to high-stress environments in which members' expertise is highly overlapping. Teammates' shared mental models about one another increase the likelihood that they will request and accept backup. Application: Teammate familiarity should be considered when choosing among potential replacement team members. Training strategies that accelerate the development of teammate knowledge consensus and team efficacy are warranted.

Key Words: teammate familiarity • shared mental models • backup • transactive memory • team efficacy • commercial air traffic control • intact teams • high stress environment • team composition • team membership stability

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 51, No. 2, 181-192 (2009)
DOI: 10.1177/0018720809335367


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