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There are several reasons why videogames are very effective teaching tools (Gentile & Gentile, 2005). Some of the major reasons are outlined in Table 3.1. One such reason is the ability of videogames to capture and hold a person s attention. Videogames do this in part through the use of perceptual cues, such as rapid changes in scene or interesting auditory stimuli that naturally capture attention. Videogames can also offer clear objectives, which are especially appealing because these goals can be adapted to the skills and knowledge of the player. Even the pace of learning can be adapted to the abilities of the individual player. The use of naturally attention-grabbing stimuli and adaptable goals can help ensure that a videogame has a person s attention, which increases the potential to learn from it. Videogames also are effective because of the active role of the player

Actuators AFCS AFCS Primary Mixing Actuators Pitch AFCS AFCS Secondary Mixing Actuators Trim SW Unit Roll

Table 3.1. Videogames: great teaching tools. Can capture and hold attention (e.g., orienting response) Offer clear objectives which can be adaptable to prior knowledge and skill Match objectives and pace to the abilities of the learner Active learning, including feedback and the ability to practice until mastery Overlearning Include both extrinsic (e.g., points) and intrinsic rewards (e.g., competence) Subsequent rewards require knowledge and skills learned at earlier points in the game Massed and distributed practice

series actuation, control inputs are not visible to the pilot as the relatively high frequency corrections are fed in downstream of the feel units. The Automatic Flight Control System (AFCS) computer calculates the inputs for each control channel and feeds these to series actuator(s) receiving feedback information from the actuator. The series actuator introduces high frequency low amplitude inputs into the control run as the auto-stabiliser algorithms make the continuous corrections to maintain stability. When the auto-stabiliser function is engaged the actuator receives continual inputs of low magnitude but the control run upstream of the actuator not move and the pilot is unaware of what is happening; apart from the evident improvement in handling characteristics. Figure 9.11 illustrates the helicopter FCS with auto-stabiliser engaged.

Adapted from Gentile & Gentile (2005)

Whereas the auto-stabilisation function inputs small high frequency control inputs into the FCS the autopilot provides longer term, more slowly varying inputs to change a control variable gradually over time to satisfy the trajectory requirements of the helicopter. The principle of operation of a parallel actuator is shown in Figure 9.12. The parallel actuator receives demands from the AFCS and provides feedback upon the actuator position. The actuator is connected to the appropriate control run via a suitable linkage and as the parallel actuator extends or retracts according to the AFCS demand, so the position of the entire control run varies. A parallel input will cause the actuator servo-valve to move; it will also move the pilot s control stick. Parallel actuators in the pitch, roll, yaw and collective channels therefore introduce a slow but long-term change in the control run and therefore in the appropriate helicopter attitude. A speed hold mode such as height

Edward L Swing and Craig A Anderson in the learning encounters Players receive rapid feedback on their performance, and can repeatedly practice a skill or carry out a script until it is mastered In many cases, skills are overlearned, which improves the long term retention of the learning produced by the game The same skills mastered early in a game are often required later on in the game as well, which contributes to this process of overlearning It is common in educational situations for information or skills to be taught without this sort of overlearning that occurs in videogames Unfortunately, this often means that students do not have the sort of chances to apply or rehearse the knowledge in ways that would lead to long term retention.

Actuators AFCS AFCS Primary Mixing Actuators Pitch AFCS AFCS Secondary Mixing Actuators Trim SW Unit Roll

For many videogame players, their playing time constitutes both massed practice (in that they play for long duration in each sitting) and distributed practice (by playing the game frequently), which is also ideal for increasing learning The level of attention players give to videogames and the amount of time spent playing are both due in part to the effective systems of rewards that most videogames utilize These rewards include both extrinsic and intrinsic rewards Extrinsic rewards tend to be relatively obvious, as these are often an intentional part of the game, such as points Extrinsic rewards can also include entertaining visual and sound effects Intrinsic rewards occur outside of the videogame itself, but are a result of playing it For example, videogames can give players a sense of accomplishment and competence, or improve their self-esteem (Lieberman, 1998).

These rewards are intrinsic to the experience of playing the game itself, rather than being overt in the sense that game points are Several features, such as adaptability and multiple forms of rewards, are responsible for giving videogames the ability to attract and hold players attention, and the gameplay allows players to thoroughly learn the knowledge structures presented in the videogame..

hold will use the collective parallel actuator (controlling thrust) and engine torque (controlling power) to maintain a given barometric or radio altimeter datum.