In 1750 slaves on farms had to seperate seeds from the cotton. As history went on the cotton gin was invented. The cotton do twoce the work a slave could do in a day. It was also cheaper to use a cotton gin than a real person.
Answer:
The answer is b. negative reinforcement.
Explanation:
In operant conditioning, negative reinforcement is an unpleasant consequence to an action, which prevents an individual from repeating the behaviour, or encourages him to take an opposite course of action.
In the example, Matt knows the consquence of not buckling is the irratating noise, so he is more likely to do the opposite.
Longitudinal research, conducted mostly in the United States, found that approximately D) 25% to 30% of rejected children drop out of school, compared with approximately or less of other children.
Longitudinal research can be described as such a kind of research that is carried on for a large amount of time in order to get authentic results.
Rejected children in the US as well as in other countries tend to have a disturbed childhood and growth period. Such children are more likely to be dropped out of school as they do not have parents to correct them and the children feel emotionally disturbed.
Around 25 to 30% of children who are rejected by their parents get dropped out.
The correct question is:
Longitudinal research, conducted mostly in the united states, found that approximately of rejected children drop out of school, compared with approximately or less of other children.
A)10% to 15%;
B) 8% 40% to 50%;
C) 14% to 24%
D) 25% to 30%
To learn more about longitudinal research, click here:
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A medicine found to be both harmful and beneficial to Europeans due to its help against malaria was (opium). Opium comes from the poppy plant. It is beneficial for many of the same reasons that is harmful. Often, for medicinal treatment, Europeans laced the opium with beer. It is an antidepressant that can be quite addictive in large doses.