Some facts about "weapon focus."

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Deffenbacher, K. A., & Loftus, E. F. (1982). Do jurors share a common understanding concerning eyewitness behavior?Law and Human Behavior, 6, 15?30.

Easterbrook, J. A. (1959). The effect of emotion on the utilization and organization of behavior.Psychological Review, 66, 183?201.

Gould, J. D. (1969).Eye movements during visual search (Research report No. RC2680). Yorktown Heights: IBM Thomas J. Watson Research Center.

Johnson, C., & Scott, B. (1976). Eyewitness testimony and suspect identification as a function of arousal, sex of witness, and scheduling of interrogation. Paper presented at the American Psychological Association Annual Meeting, Washington, D.C.

Loftus, E. F. (1979).Eyewitness testimony. Cambridge, MA: Harvard University Press.

Loftus, G. R., & Mackworth, N. H. (1978). Cognitive determinants of fixation location during picture viewing.Journal of Experimental Psychology: Human Perception and Performance, 4, 565?572.

Malpass, R. S., & Devine, P. G. (1984). Research on suggestion in lineups and photospreads. In Wells, G. L., & Loftus, E. F. (Eds.),Eyewitness testimony: Psychological perspectives. Cambridge, MA: Cambridge University Press.

McCloskey, M., & Egeth, H. E. (1983). Eyewitness identification: What can a psychologist tell a jury?American Psychologist (May), 550?563.

Smith, J. E. K. (1976). Data transformations in analysis of variance.Journal of Verbal Learning and Verbal Behavior, 15, 339?346.

Taylor, L. (1982).Eyewitness identification. Charlottesville, VA: The Michie Co.

Wells, G. L., Leippe, M. R., & Ostrom, T. M. (1979). Guidelines for empirically assessing the fairness of a lineup.Law and Human Behavior, 3, 285?293.

Yarmey, A. D., & Jones, H. P. T. (1983). Is eyewitness identification a matter of common sense? In S. M. A. Lloyd-Bostock & B. R. Clifford (Eds.),Evaluating witness evidence, London: Wiley.