They avoid being detected because this would throw off the behavior patterns that exist naturally and they don't want their presence being known since this might throw it off.<span />
Definitely not illegal if you actually are disabled, i can tell you that much.
<span>The most unpredictable presentation aid a speaker could use is a person or an animal.
Presentation aids are things other than the expressions of a speech that are utilized to support the goal of the speaker. Specifically, they can be visual aids, sound aids or other supporting innovation.</span><span /><span>
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<span>In this example, squirming and giggling is a(n) "conditioned response".
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A conditioned response is a conduct that does not fall into place, but rather should be learned by the person by matching an impartial boost with an intense stimuli. The potent stimulus is one that does not require any learning or molding to react to properly. Natural stimuli don't at first have any reaction related with them, and the right reaction must be learned through rehashed pairings with an potent stimuli.