Table 2.
Young | Older | t | P | |||
---|---|---|---|---|---|---|
M | SE | M | SE | |||
Number | ||||||
Fz | 241.54 | 20.59 | 176.60 | 31.10 | 1.68 | 0.212 |
Cz | 251.54 | 21.31 | 186.13 | 31.73 | 1.65 | 0.112 |
Pz | 259.54 | 22.84 | 181.07 | 32.33 | 1.91 | 0.204 |
Density | ||||||
Fz | 4.33 | 0.25 | 4.82 | 0.11 | −1.83 | 0.780 |
Cz | 4.51 | 0.25 | 5.21 | 0.15 | −2.39 | 0.072 |
Pz | 4.64 | 0.26 | 4.88 | 0.17 | −0.76 | 0.908 |
Duration | ||||||
Fz | 0.47 | 0.02 | 0.36 | 0.02 | 3.70 | 0.003a |
Cz | 0.48 | 0.03 | 0.34 | 0.02 | 3.55 | 0.002a |
Pz | 0.49 | 0.04 | 0.38 | 0.03 | 2.29 | 0.030a |
Amplitude | ||||||
Fz | 59.45 | 7.68 | 40.00 | 4.61 | 2.16 | 0.123 |
Cz | 90.18 | 12.32 | 67.24 | 8.12 | 1.50 | 0.298 |
Pz | 73.28 | 10.99 | 71.80 | 11.55 | 0.09 | 0.930 |
Frequency | ||||||
Fz | 12.99 | 0.08 | 12.65 | 0.06 | 3.33 | 0.009a |
Cz | 13.36 | 0.07 | 13.29 | 0.10 | 0.55 | 0.585 |
Pz | 13.42 | 0.09 | 13.51 | 0.10 | −0.64 | 1.000 |
Indicates P < 0.05, two‐tailed.
df = 26, corrected for homogeneity of variance, where appropriate and Holm‐Bonferroni corrected for multiple comparisons for number of sites.