This article is from the Artificial languages FAQ, by Rick Harrison email@example.com with numerous contributions by others.
Linguists sometimes create small model languages to study the
ways in which people learn languages. In this situation, a
specially created language has the advantage that its
characteristics can be carefully controlled. The model language
is then taught to a group of people, and their ability or
inability to learn it, or its effect on their brain activity or
their perceptions of the world can be analyzed and conclusions