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.
| Method | Forces | |||
| Inheritance | Borrowing | Substratum | Selection | |
| CM | + | ? + | ? − | ? ± |
| CC | + | ? + | ? − | ? ± |
| CR | + | ? + | ? − | ? ± |
| D | +++ | − | − | + + |
| M | +++ | − | − | ± |
| P1 | + + | − − − | ? − | ? + |
| P2 | + + | − − − | ? − | ? + |
| W | +++ | − | − | ± |
A subjective view on what combination of “forces” each method estimates. Cells represent approximate effects: + (postive effect), − (negative effect), ? (unclear), ± (could be positive or negative).
