The study explores how people can recognize friends by their gait, using only point-light displays of movement. Researchers used reflectant tape on joints to create dynamic point-light displays of walkers. Viewers could recognize individuals based on these displays, even without familiarity cues, size, or shape information. The study found that viewers could recognize individuals with about 38% accuracy, with some viewers performing better than others. The best viewer was a dancer and was also the easiest to recognize. Viewers' confidence in their responses varied, with highly confident viewers being more accurate. The study suggests that viewers may be using conscious problem-solving rather than direct perception to identify individuals. The results indicate that dynamic point-light displays can be sufficient for recognizing individuals, and that little experience is needed with such displays. The study also highlights the importance of considering time as a dimension in experimental psychology, and suggests that the study of dynamic events, such as walking, is an important area for further research. The study builds on the work of Johansson, who demonstrated that dynamic point-light displays can be sufficient for recognizing the presence of a walker. The study goes further, demonstrating that the same array is sufficient for recognizing a particular walker. The study concludes that Johansson's technique is both manageable and naturalistic, and that it allows for the study of common, everyday events.The study explores how people can recognize friends by their gait, using only point-light displays of movement. Researchers used reflectant tape on joints to create dynamic point-light displays of walkers. Viewers could recognize individuals based on these displays, even without familiarity cues, size, or shape information. The study found that viewers could recognize individuals with about 38% accuracy, with some viewers performing better than others. The best viewer was a dancer and was also the easiest to recognize. Viewers' confidence in their responses varied, with highly confident viewers being more accurate. The study suggests that viewers may be using conscious problem-solving rather than direct perception to identify individuals. The results indicate that dynamic point-light displays can be sufficient for recognizing individuals, and that little experience is needed with such displays. The study also highlights the importance of considering time as a dimension in experimental psychology, and suggests that the study of dynamic events, such as walking, is an important area for further research. The study builds on the work of Johansson, who demonstrated that dynamic point-light displays can be sufficient for recognizing the presence of a walker. The study goes further, demonstrating that the same array is sufficient for recognizing a particular walker. The study concludes that Johansson's technique is both manageable and naturalistic, and that it allows for the study of common, everyday events.