I believe the answer is: Primary
For example, let's say take a look at normal employees at a company.
For most of them, the main reason they spend their time to do the job correctly is to obtain money/salary even though they have to spend their time being scolded by unlikable boss.
In the scenario above, we can say that money is the primary reinforcer for the target behavior
I believe the answer is: <span>genetic predisposition and childhood trauma
Genetic predisposition could affect the hormonal balance that could affect our response to stressful stimulus.
Childhood trauma could also make adults felt sudden anxiety on certain situations that remind them to the traumatic experience that felt during the childhood.</span>
There is nothing listed below