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.
Strategy choices (%) as a function of Operation, Movement, and Strategy.
| No hand movement | Passive hand movement | |
|---|---|---|
| ADDITION | ||
| Retrieval | 62.5 (8.4) | 64.1 (6.8) |
| Transformation | 36.2 (8.4) | 33.8 (6.6) |
| Counting | 1.3 (1.0) | 2.0 (0.7) |
| SUBTRACTION | ||
| Retrieval | 57.5 (8.4) | 65.2 (8.4) |
| Transformation | 40.9 (8.4) | 34.4 (6.6) |
| Counting | 1.7 (1.0) | 0.3 (0.7) |
Standard errors are shown in parentheses.
