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.
Comparison of the study variables over the 3 moments of data collection
All measurement units were degrees
Mean ± standard deviation (effect size)
1Wilcoxon signed-rank test for related samples
2Friedman 2-way analysis of variance for related samples
3 T-test for related samples
