Table 1

MANOVAs of the effects of POPULATION, HISTORY and their interaction on the overall morphometry and on the overall behaviour of the four groups of locusts.

Data

Source

DF

Wilks' Λ

F

P


Morphometry

POPULATION

4

0.5182

20.5

< 0.0001

HISTORY

4

0.7750

6.4

0.0001

POPULATION × HISTORY

4

0.8090

5.2

0.0008

Residual

88


Behaviour

POPULATION

11

0.6435

16.8

< 0.0001

HISTORY

11

0.9060

3.1

0.0005

POPULATION × HISTORY

11

0.8740

4.2

< 0.0001

Residual

331


The four MANOVA test statistics Wilks' Λ, Pillai's trace, Hotelling-Lawley trace and Roy's maximum root concluded that H0 is rejected for each source of variation for both morphometric and behavioural data. The results presented in the table are those obtained with Wilks' Λ test statistic.

Chapuis et al. BMC Evolutionary Biology 2008 8:37   doi:10.1186/1471-2148-8-37

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