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Kevin A. Waschke 1,2, Catharine M. Walsh 4and Gerald M. Fried 1,2,3

1McGill University, Montreal, QC, Canada

2McGill University Health Centre, Montreal, QC, Canada

3Montreal General Hospital, Montreal, QC, Canada

4The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada

Proficient performance of flexible gastrointestinal endoscopy requires a combination of technical, cognitive and nontechnical skills. Understandably, comprehensive training in endoscopy requires attention to each of these components. Unfortunately, the medical literature is lacking in evidence supporting the differential effects of specific training modalities. Educational theories, however, suggest that each of these components is best learned using different approaches. With respect to the technical component, literature from a variety of areas has demonstrated that “deconstructing” a procedural skill into smaller, easy‐to‐master tasks can facilitate teaching and learning. This chapter will focus on providing a general framework for the specific skills required to train individuals in flexible endoscopy. By deconstructing the common gastrointestinal endoscopic procedures in this manner, both trainer and trainee can approach the acquisition, practice, and assessment of endoscopic skill in a structured manner. Effective training in endoscopy requires more than a simple “how‐to” of procedures, as will be illustrated in the remainder of this volume. For this reason, we will also not only discuss the deconstruction of an endoscopic skill set, but at the same time illustrate several key components of a second skill set, that of endoscopic training, which we consider to be distinct and different from endoscopic skill.

Using an approach that involves deconstructing the skills required to perform endoscopy has several advantages for both the trainer and the trainee. The first advantage is that the deconstruction of a task makes both the trainer and the trainee consciously aware of both the specific steps to be learned and their relationship to the overall framework. The importance of this step should not be underestimated, as training in endoscopy requires expertise in training, not only in performance of the procedure. A common observation in both medicine as well as other areas is that expertise in an area does not automatically convey expertise in the teaching of that area. Anyone who has attempted to learn a sport such as golf can attest to the importance of good teaching and good teachers in the learning of complex motor skills. Sports, music, and avionics are good examples of fields in which training has progressed to include coaching, feedback, training aids, the use of simulators, and other approaches to ensure that efficient and effective learning occurs. There is no doubt that readers of this text can recall excellent endoscopists who simply cannot describe how they performed specific complex acts in a manner that permitted the learner to learn from them. As such, we cannot assume that expert endoscopists are all automatically expert trainers simply by virtue of their endoscopic skill set. The explanation for this apparent paradox can be illustrated by Peyton’s stages of learning [1]. A learner is conceptualized as passing through a variety of stages during their development of procedural skill (unconscious incompetence, conscious incompetence, unconscious competence, conscious competence). By the time the endoscopist reaches the unconsciously competent stage, he or she may be highly proficient at endoscopy but, by virtue of the process of skills acquisition, be unable to describe the components of their skill. The very same cognitive process that permits rapid, fluid movement, termed automaticity [2], also prevents the individual from consciously accessing and describing the steps required to perform the task. A sign of unconscious competence is the teacher who, when teaching endoscopy, is required to take the scope from the trainee rather than being able to verbalize what needs to be done. Words fail the instructor because the description of the endoscopic skill is not consciously accessible. Again, a sports analogy is useful here, as a skilled golfer is unlikely to be able to describe or think about all the steps in a golf swing while they are performing it without it impairing the fluidity of their motion. Explicit explanation of what is to occur and why it is important is a crucial element in skills acquisition, but it does not naturally occur. It is, however, a crucial component in the effective teaching of procedural skills [3, 4].