These speakers are
employed in large facilities where general Undirected evacuation is considered impracticable or undesirable.
Darwin's general theory presumes the development of life from non-life and
stresses a purely naturalistic(Undirected)"descent with modification".
Attention restoration theory looks at the two main types of attention that humans employ:
directed and Undirected attention.
Then the children came running toward me, unasked, Undirected, clinging to my arms and legs, looking up so trustingly.
Undirected play allows children to learn how to work in groups,
to share, to negotiate, to resolve conflicts, and to learn self-advocacy skills.
Suddenly the children were all around me, unasked, Undirected, and they clung to my arms and legs, they looked up at me so trustingly.
Conversely, when we are outdoors, we may enjoy observing patterns or a sunset,
clouds, flowers, leaves or a beautiful meadow, which call on our Undirected attention.
Very small Undirected changes in the physical environment can sometimes
improve the level of adaptation between an organism and its environment, but large changes are almost always detrimental.