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| 5 | a reinforcer that  is necessary for survival | 
 
 
| 8 | in classical conditioning, when an association between two pair stimuli weakens or ends | 
 
 
| 9 | something that triggers a learned response | 
 
 
| 10 | reinforcer is given after an unknown number or tasks | 
 
 
| 11 | behavior leads to the removal of a desired event or state | 
 
 
| 12 | when we apply the same response to similar stimuli or when we assume the same reinforcer will be given | 
 
 
| 14 | reinforcer is given after a specific period of time | 
 
 
| 15 | removes something unpleasant | 
 
 
| 16 | a reinforcer that adds something desirable | 
 
 
| 17 | behavior leads to an undesirable event | 
 
 
| 18 | anything that strengthens a behavior | 
 
 
| 20 | the tendency to fail to act or escape based on a history of failure | 
 
 
| 23 | learning by watching a model | 
 
 
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