I think it would be conditioned stimulus but I'm probably wrong.
The very first commercial photography process was called an <span>ambrotype. This was the most popular type of photographs in the 1850's. </span>
Answer:
D. stratified random sampling
Explanation:
In this example, the employment agency is dividing the population that it will study into different subgroups (age, gender, graduates, nongraduates, and discipline of graduation). These subgroups are known as strata. Afterwards, the agency selects sample members of each of these subgroups. As the samples are chosen on a proportional way based on subgroups, this is known as stratified random sampling.
The individual is likely experiencing schizophrenia. This is
a mental disorder in which an individual can produce abnormal behavior,
socially and that he or she can have unclear thinking and to see things that
are solely hallucinations and experience tremors.