There are logistical reasons for this, including time constraints and competing commitments.
We had expected greater numbers of registrants and considered possible limitations were time constraints and other commitments, which were the main reason given by MHPs who were least active in the course.
The government's attitude towards collaboration is changing, slowly: I think there is going to be massive change given the financial constraints and current commitment of government to externalisation and the development of co-operatives and other forms of social enterprise.
Because of economic constraints and the numerous commitments dictating the life of any academic, the project duration was fixed at 9 days a terribly short time for such an ambitious task.
Given budget constraints, clinical commitments, and other assignments, study staff were not always available at clinic sites to enroll patients.
Most other clubs have also had to revise their forecasts downwards owing to financial constraints made tighter by tax changes and commitments to build or refurbish stadiums before the 2016 European Championship that France is hosting.
The reasons for this are multiple and include, among others, the problem of 'brain drain', lack of collaboration, budgetary constraints and lack of political commitment (Fathalla et al., 2006; Kumar, 2007).
Rice (2013), who joined a Coursera course, apart from finding a similar reason for not finishing (conflicting priorities and commitments due to time constraints), also found that in the discussion fora which were quiet, participants were losing track of the course, and often abandoned, preventing him from continuing engagement in the MOOC.
It's a welcome relief after the rigid school term, school lunches, job commitments, time constraints and busy daily life.
The expectation that they could mentor researchers proved to be unrealistic, given their other commitments, geographic constraints and lack of an environment to support mentoring.
