Figure 1.
Examples from a commonly used IQ test (WAIS–R) assessing visuospatial abilities (the ability to deal with objects in three-dimensional space). All three subtests are timed, and subjects are asked to work as quickly as they can.
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.