Shaping the Condi tions of Observation 53
sources of failures in the field of practice [systemic vulnerab ilities] and
on miscon ceptions of what practitioners a ctually do .
Bar ley & Orr, 1997, p. 18, emphasis added
As one orchestrate s a series of investig ations, a s in the program of research
developed by Sarter, there is a v ariety of pitfalls that must be evaded. The most
basi c pitfall is what W illiam James (1890), over 100 years ago, called the
Psychologis t’s Fallacy. Updated to today, this fallacy occurs when well-intentioned
observers think that their distant view of the workplace captures the actual
experience of those who perform work in context. Distant views can miss important
aspects of the actual work situation and thus can miss