The study assesses the utility of the 3-minute version of the Psychomotor Vigilance Task (PVT) embedded in a wrist-worn device (interstimulus interval – ISI =1 - 4 seconds) to detect changes in performance between a morning and an afternoon data collection session. The experiment utilized a randomized, within-subject, repeated-measures design with two factors, device type (wrist-worn PVT, laptop PVT, Go/No-Go task) and time of day (morning, afternoon). Results showed that performance in both the wrist-worn 3-minute PVT (ISI = 1 – 4 seconds) and the 5-minute Go/No-Go task (180 trials, 80% Go/20% No Go; ISI = 0.5 – 1.0 seconds) differed between the morning and the afternoon sessions but not the laptop-based PVT. We discuss these findings under the light of the differences in task characteristics between the wrist-worn and the laptop PVT

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Human Factors is a discipline that studies the body of information about human capabilities and limitations for engineering design. Human Factors combines different Engineering areas and integrates them with human information into the engineering design. This applied and multidisciplinary nature of Human Factors in turn requires that education in Human Factors should also focus on the application of knowledge to design, and encourage hands-on exercise into the learning process. A new course "Design With a Human Factors Mind" was designed to demonstrate this concept. This course abandoned the traditional classroom lecture format, using labs, field trips and guest lectures instead to expose students with various Human Factors subjects. A survey study was conducted to assess the efficiency of this teaching style. Results showed that different teaching techniques have different effects on students' performance. This case study provides some preliminary results for different teaching styles and can help other educators to design effective teaching methods in Human Factors education.