These PDFs show the results of simulations described in
Rotello, C. M., Masson, M. E. J., & Verde, M. F. (2008). Type I error rates and power analyses for single-point sensitivity measures. Perception & Psychophysics, 70, 389-401. (PDF)
Type I error rates for single-point sensitivity measures (PDFs)
Power for single-point sensitivity measures (PDFs)