Citation

Olzak LA. Proc. Hum. Factors Ergon. Soc. Annu. Meet. 1978; 22(1): 393-397.

Copyright

(Copyright © 1978, Human Factors and Ergonomics Society, Publisher SAGE Publishing)

DOI

10.1177/1071181378022001105

PMID

unavailable

Abstract

The interactive effects of target and background characteristics were investigated. Five multiple-vehicle target conditions that varied in number and configuration were embedded into oblique aerial photographs of real terrain. Target proximity to roads was manipulated, and terrain complexity was evaluated by a subjective scale of scene heterogeneity. Results indicated that performance improved as the number of vehicles comprising a target increased. An interaction between number of vehicles and proximity to roads suggested that local context is a relatively more important performance predictor when searching for single-vehicle targets than when searching for multiple-vehicle targets. The heterogeneity measure was found to be an inadequate predictor of detection performance, and some alternatives are discussed.

Language: en