Twenty-eight individuals were interviewed (14 persons with SCI and 14 persons representing care providers, community advocacy organization representatives, system service delivery administrators and policy-makers).
But the United Kingdom Homecare Association, representing care agencies, has greeted the directors' stance with "disbelief".
Four groups representing care and health organisations are warning of an accelerating rate of closures of care homes and companies providing homecare.
But Keith Lewin, a solicitor representing care providers, said other changes were necessary.
The physicians' workplaces were spread across the city, covering both the city center and the suburbs, thus representing care for different socio-economic groups.
Second, representing care trajectories by way of a linear approach generates difficulties when therapies are concomitant and when they are administered over long periods.
But the Association of Directors of Adult Social Services (Adass), which represents care managers, argued it was "totally wrong" to suggest all caring tasks require more than 15 minutes.
Care Forum Wales, which represents care homes and independent care organisations in the country, welcomed the plans.
However, Care England, which represents care homes, said the problems lay with poor NHS management.
Unison, which represents care staff, said government cuts had "starved" local councils and the NHS of cash.
Martin Green, the chief executive of Care England, which represents care home providers, said hundreds of providers were on the brink of financial ruin.
