marginally statistically significantp = 0.082
Average productivity between 2000 and 2007 (0.708; n = 8; SE = 0.0144) was higher than it was between 2008 and 2010 (0.65; n = 3; SE = 0.03), and the difference was marginally statistically significant (t = 2, df = 9; p = 0.082).