Table 9.
Results of the analysis of variance for the signal-to-noise ratio for the recommended frequency in the postmeasurement block.
| Factor | F (df) | P value |
| Group | 1.33 (1,37) | .26 |
| Block | 1.60 (1,37) | .21 |
| Group × block | 0.07 (1,37) | .80 |
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