The reviews leave aside the search for theory-based exposés on this form of professional volunteerism as well as commentary on potential spill-over effects.
Given the relative paucity of data supporting the efficacy and cost-effectiveness of MBT-DH, the possible influence of researcher allegiance in one of the trials [ 31], potential spill-over effects in another trial [ 34], and problems with the generalization of findings to mental health systems in other countries, more research is urgently needed.
In addition, food security programming has potential spill-over effects and opportunities that are wider than addressing hunger and malnutrition in affected populations; improved food security and nutrition can contribute to sustainable peace-building through improved social cohesion, capacities, trust, legitimacy, amongst others.
It is also argued that P4P can facilitate the pooling and integration of resources and thus improve efficiency and the potential spill-over effect into the whole public sector in low income countries [ 2].
Still, choosing as controls facilities and catchment communities located within the same districts introduces the risk of a potential spill-over effect from the intervention areas [ 73], while any contamination of intervention sites due to proximity to non-intervention sites may lead to under-estimation of our effect measurements.
A second question was concerned with the possible spill-over effects of GMIS.
These programs could "tie-in" with successfully established self help group programs, helping to produce spill over effects.
In addition the study also examined the "spill over" effects of job insecurity on employees not directly affected by the mobility framework.
To avoid spill over effects within each class, a cluster-randomised controlled trial will be conducted using school classes as a randomisation unit.
In addition the study also examined the "spill over" effects of job insecurity in employees not directly affected by the mobility framework.
Improved provider coordination has spill over effects for other persons with mental illness, and has induced improved funding from the state legislature.
