After years of silence, punctured by sombre responses to predictable slaughter, an American president has made a sober, principled and coherent intervention on the issue of gun control.
The approach is centred around socio-organisational strengthening and farmer learning through experimentation and discovery, both integrated into a coherent intervention process design.
Countries such as Mauritania and Niger have been able to increase the rate of exclusive breastfeeding; demonstrated that even in very difficult circumstances, it is possible with a coherent intervention achieve remarkable results.
The evaluation team considers that more concrete results could have been achieved in Ecuador through more coherent intervention strategies in health and education, together with a more flexible approach to applying elements of the UNICEF national programme (such as SIL and participative budgeting) to take into account specific community needs and capabilities.
Strengths of the IM approach include its ability to take into account the complexity of intervention research [ 26, 29], the way in which it can lead to a coherent intervention model [ 28], and the extent to which the approach ensures that interventions are grounded in theory and evidence [ 29].
In step 3, a coherent, deliverable intervention is designed.
Their medical school has been implementing BMI education for a longer period, since 2005, and has evolved to a coherent educational intervention through several modifications.
The trade-off between 'personalising' exercises and delivering a 'standardised' intervention raises questions about fidelity of intervention which should also be considered in future trials, perhaps with attention to Hawe's writing on achieving a theoretically coherent 'core' intervention but applying flexibility to individual needs.
Coherent sexuality education interventions to promote the adoption of abstinence among young people are urgently needed.
More coherent and coordinated interventions seem needed, beyond a categorical approach, and attention is needed to build robust, mainstream systems of different types of care to support these interventions.
