However , it was felt that it was too early for such a study on a nationwide intervention and that the larger , more descriptive effects were an important first investigation .
To truly assess the fidelity of the programme one would require a more focused observational investigation .
It was felt that it was too early for such a study on a nationwide intervention and that the larger , more descriptive effects were an important first investigation .
To truly assess the fidelity of the programme one would require a more focused observational investigation .