Table 5 E tests of between-subjects effects.

From: Application of nanoindentation technology in testing the mechanical properties of skull materials

Group

P value

Ages (years)

 < 0.001

Layers

 < 0.001

Locations

 < 0.001

Ages (years) and layers

 < 0.001

Ages (years) and locations

 < 0.001

Layers and locations

 < 0.001

Ages (years), layers and locations

 < 0.001

  1. R2 = 0.798.