Table 2. Concurrent validity (TWAS VS. TFDMS). Average values of AV, PV, AP and PP. |
|
Systematic bias |
Proportional bias |
Random error |
Bias CI (95%) |
ICC ¥ |
| BS AV, m·s-1 |
.02 # |
.05 # |
± .07 |
.01 to .03 |
.985 |
| BP AV, m·s-1 |
.01 # |
.05 # |
± .06 |
.01 to .02 |
.989 |
| BS PV, m·s-1 |
-.08 # |
.004 |
± .13 |
-.09 to -.06 |
.963 |
| BP PV, m·s-1 |
-.06 # |
.04 * |
± .10 |
-.07 to -.05 |
.984 |
| BS AP, W |
.8 |
.12 § |
± 44.31 |
-4.79 to 6.39 |
.966 |
| BP AP, W |
5.29 |
.08 # |
± 38.48 |
.52 to10.07 |
.968 |
| BS PP, W |
-209.99 # |
.47 § |
± 153.92 |
-229.21 to -190.78 |
.853 |
| BP PP, W |
-105.13 # |
.45 § |
± 109.76 |
-118.72 to -91.54 |
.905 |
|
TWAS= Tendo Weight-lifting Analyzer System; TFDMS= T-Force Dynamic Measurement System; BS= Back Squat; BP= Bench Press; AV= Average Velocity; PV= Peak Velocity; AP= Average Power; PP= Peak Power; m/s= meter/second; W= watts; CI= Confidence interval; ICC= intraclass correlation coefficient |
* Significant r–values p < 0.05 |
# Significant difference between the system means p< 0.01 |
§ Significant r–values p< 0.0001; |
¥ Dimensionless statistical parameter. |
|