Evidence for Benefits #

Every substantive claim on the Benefits page is checked against current research. Here is each claim, how well today’s evidence supports it, and the sources. The full, de-duplicated source list lives on the references page.

Supported · moderate evidence — Simulator training, used alongside real-task practice, can improve later performance on the real task, making it a cost-effective option when real practice is expensive, exhausting or dangerous.

A meta-analysis of flight simulator training found that simulator-plus-aircraft training generally yields better aircraft performance than aircraft training alone, supporting the softened claim of a real but task-dependent benefit; the page no longer implies simulation is universally cost-effective.

Sources: Hays, Jacobs, Prince & Salas (1992), Flight simulator training effectiveness: a meta-analysis, Military Psychology 4(2):63-74 · full reference ›

Mixed · moderate evidence — The measured benefit of simulator training varies by the type of task being trained rather than being uniform, so simulation is an evidence-backed but bounded gain, not a guaranteed shortcut.

The same meta-analysis reported that effectiveness depended on the training task and instructional features; this qualifies the original page’s blanket benefit claims and is reflected in the rewritten ’encouraging rather than miraculous’ framing.

Sources: Hays, Jacobs, Prince & Salas (1992), Flight simulator training effectiveness: a meta-analysis, Military Psychology 4(2):63-74 · full reference ›

Supported · strong evidence — Practising under varied, representative conditions transfers better to novel real situations than repeatedly drilling a single idealised version, even though varied practice often feels harder during training.

Variability of practice is a well-established desirable difficulty: it reliably improves retention and transfer while often depressing performance during acquisition. This grounds the page’s ‘practise variations you couldn’t risk for real’ benefit.

Sources: Schmidt & Bjork (1992), New conceptualizations of practice, Psychological Science 3(4):207-217 · full reference ›

Supported · moderate evidence — Breaking a complex skill into parts (part-task training), mastering each part, then combining them is a sound way to learn, and most simulation is inherently part-task rather than full-task training.

Part-task approaches are well represented in the training-effectiveness literature for complex, decomposable skills; characterising most simulation as part-task and requiring full-task consolidation is consistent with this work, with effectiveness depending on how parts integrate.

Sources: Hays, Jacobs, Prince & Salas (1992), Flight simulator training effectiveness: a meta-analysis, Military Psychology · full reference ›

Supported · moderate evidence — Because most simulation is part-task training, learners still need real full-task practice to consolidate and integrate the skill; the simulator does not on its own complete training.

Specificity-of-practice and transfer research support that conditions and cues present only in the simulator do not fully reproduce the real task, so transfer is partial and real practice remains necessary to integrate components under authentic demands.

Sources: Schmidt & Bjork (1992), New conceptualizations of practice, Psychological Science 3(4):207-217 · Hays et al. (1992), Flight simulator training effectiveness: a meta-analysis · full reference ›

Supported · strong evidence — Conditions that aid performance during practice are not the same as those that produce durable, transferable learning, so a comfortable simulator session is not a reliable sign that the skill has been well learned.

The performance-versus-learning distinction is foundational and widely replicated: manipulations that ease practice can leave little durable learning, while harder practice can enhance retention and transfer. This justifies the page’s caution against trusting an easy session.

Sources: Schmidt & Bjork (1992), New conceptualizations of practice, Psychological Science 3(4):207-217 · full reference ›

Supported · moderate evidence — If a skill is learned or repeated the wrong way, the learner can experience negative transfer and must later unlearn the habit, which costs time and can fail under stress.

Negative transfer is a long-standing, accepted phenomenon in motor-skill and training research; practice that grooves a response incompatible with the target task can impair later performance, exactly as the flight-instrument-versus-horizon anecdote illustrates.

Sources: Schmidt & Bjork (1992), New conceptualizations of practice, Psychological Science 3(4):207-217 · full reference ›