FIGURE 3.
Respondents’ main fields of research or professional activity (A) and main methodological approaches (B). Respondents could select more than one option in both cases. Graphs show absolute number of replies
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.