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. Author manuscript; available in PMC: 2009 Sep 30.
Published in final edited form as: J Neurosci Methods. 2008 Jul 11;174(2):202–214. doi: 10.1016/j.jneumeth.2008.07.001

Table VI. Comparison of circular and linear multisample tests for all experimental conditions tested.

Circular multisample tests Mardia-Watson-Wheeler and Watson’s U2 test were performed to determine differences between neurite outgrowth on pairs of substrate types. Linear comparisons were performed using Student t-tests. Significance levels taken to be p<0.05.

CIRCULAR LINEAR
Substrate Mardia-Watson Wheeler Watson's U2 Student t
W p U2 p t p
LN versus CSPG stripe 1.409 0.494 0.079 0.5 > p > 0.2 −1.515 0.066
LN versus CSPG gradient 0.056 > 0.5 0.021 0.989 1.345 0.090
LN stripe versus gradient 33.867 0.000 1.385 < 0.001 −4.033 0.000
CSPG stripe versus gradient 9.479 0.009 0.721 < 0.001 −0.007 0.497