Whenever baby colin cries, his mother picks him up. this stops colin from crying. in turn, this makes colin’s mother pick him up more often. in this example, his mother picking him up serves as a reinforcer for colin. colin stopping crying is a reinforcer for the mother.

Positive, Negative

Explanation:

Reinforcement is used to help the probability that specific behavior will occur in the future by delivering and removing the stimulus immediately after the behavior.  

Positive Reinforcement:

Positive reinforcement that motivating reinforcement presented to the person after the desired behavior exhibited. , making the behavior more likely to have happened in the future.  

For example, A mother gives praise( Reinforcement ) to her son to do homework (Behavior).

Negative Reinforcement:

When an aversion stimulus is removed after a particular behavior exhibited. The likelihood of the particular behavior increased when the aversion stimulus is removed avoiding the negative consequences.  

For example:  Both do the dishes ( behavior) to his mother nagging

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.