The double blind randomized design will cleanly separate the effect of the intervention from those confounding effects that have plagued previous interventional and observational studies.
But the intervention from 86-year-old Kathrada may carry considerable weight within the party, which has governed the country since apartheid ended in 1994.
Although written seven years ago, the intervention from such a senior gambling figure will alarm British bookmakers, who make more than half their profits from FOBTs.
The intervention from the general secretary of Unite, which is Labour's biggest donor, comes in a wide-ranging interview with the Guardian.
The government was emboldened by the intervention from Hawke, who told the Australian newspaper he was "all in favour" of the free trade agreement with China.
It could help ensure that a future Congo or Rwanda catastrophe attracts the intervention from outside that bitter memories of the Iraq imbroglio might otherwise have denied it.
Of course, this changes the nature of the intervention from an emergency treatment to a habitual routine and also dramatically escalates its prospective cost to donors.
The intervention from the former Prime Minister comes as the ballot paper which voters will be presented with was released in draft legislation on the government's website.
The intervention from Shinzo Abe helped the Japanese capital defeat Madrid and Istanbul in the race to host the Games after a campaign in which each of the three faced major economic or political challenges.
The intervention from Lord Stern, a cross-bench peer and professor at the London School of Economics, is significant as the economist very rarely makes direct attacks on politicians.
The intervention from Lord Moynihan, who oversaw Team GB's impressive medals haul at London 2012, will place further pressure on ministers, who are facing fierce criticism for failing to deliver the promised Olympic legacy for grassroots sport.
