Subanalysis for the crowd sourced data
| Group | n | Injured rating | Non-injured rating | Number of injured correctly classified | P value | Cohen’s d | ||
| Mean | SD | Mean | SD | |||||
| Physical therapists | 110 | 4.3 | 1.6 | 4.5 | 1.7 | 1 out of 20 | 0.58 | 0.15 |
| High ACL-IQ (1SD above mean)* | 29 | 4.7 | 2.1 | 5.0 | 2.1 | 2 out of 20 | 0.48 | 0.18 |
| Entire sample | 237 | 4.5 | 1.7 | 4.8 | 1.7 | 1 out of 20 | 0.52 | 0.16 |
See Petushek4 for psychometric characteristics of this tool.
*ACL Injury Risk Estimation Quiz (ACL-IQ) is a five-item video-based skill assessment to evaluate the ability of individuals to visually estimate risk for ACL injury using the drop vertical jump exercise.