J. C. Ballard

Computerized assessment of sustained attention: interactive effects of task demand, noise, and anxiety.

J. C. Ballard, 1996, Journal of clinical and experimental neuropsychology.

Computerized assessment of sustained attention: a review of factors affecting vigilance performance.

J. C. Ballard, 1996, Journal of clinical and experimental neuropsychology.

Assessing Attention: Comparison of Response-Inhibition and Traditional Continuous Performance Tests

J. C. Ballard, 2001, Journal of clinical and experimental neuropsychology.