marginally non-significantP = 0.894
Mean scores of sheltered-site (n = 16) and exposed-site snails (n = 51) differed on RW1 but not on RW2 or RW3, although difference on the latter was marginally non-significant (MANOVA: Box's M, P = 0.894; Wilk's lambda,P<0.001; Levene's test: RW1, P = 0.400; RW2, P = 0.032; RW3, P = 0.250.