... current scale of assessments was based on the arithmetic average of results obtained using national income data for base periods of three and six years for the periods 2011 - 2013 and 2008 - 2013. (politics.stackexchange.com)
And Buterin doesn't either, clarifying that Plasma is complementary to ethereum's current scaling work: sharding, which looks to boost capacity at the base layer of the protocol. (coindesk.com)
[xliii] However, the achievement effects of many current scaled - up programs seem to fade out as students enter public school, [xliv] and one Tennessee study suggests achievement benefits may turn negative. (educationnext.org)