Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Predictive relevance Q2.
| Sum of squares of prediction errors (SSO) | Sum of squares of observations (SSE) | Q2 (=1 − SSE/SSO) | |
| COVID-19 fear | 3,213.000 | 1,574.892 | 0.510 |
| General distress | 2,754.000 | 1,279.696 | 0.535 |
| Physical activity | 459.000 | 316.647 | 0.310 |
