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.
Hypothesized models with fitted coefficients.
Notes: The arrows represent the linear equation relationships and it is used to indicate causal flow from one variable to another (direct effects). The arrows with two points represent the correlations between groups of variables.
