Answer:
D. sample: population
Explanation:
Sample: In psychological research, the term sample is defined as a particular group of items, people, or objects that are being taken-out from a specifically large population for measurement. A research sample should be considered as representative to a specific population from where it has been taken out so that a researcher can generalize his or her findings from the sample related to the population considered as a whole.
Population: In psychological research, the term population refers to a large collection of objects or individuals which form a basis of a scientific study or query. It is also referred to as a well-defined collection of specific objects or individuals that possesses familiar characteristics.
In the question above, the given statement represents the sample and the population.
The correct answer to this open question is the following.
Although the question is incomplete because it does not include the material from Item A, we can say that yes, labeling and other in-school factors are the main cause of social class differences in educational achievement.
With so many students in school from different social classes, it seems difficult to put a limit on labeling. However, school authorities and teachers should pay closer attention to this issue because it affects children and their decision to continue to attend school. Labeling is also a cause of bullying in educational centers. So we have to consider this as a current issue that must be confronted.
Parents should play a key role in diminishing labeling, setting a good example in the house, and talking to their children about the importance of respect and tolerance.
Answer:
<h2>The Tri-Chromtic theory</h2>
Explanation:
The Tri-chromatic theory is based on the assumption that the three classes of cone receptors sub serve the colour vision. This theory dates back to 18th century and was popular during the first half of 20th century and was often used against the opponent processes theory. It was also known as Young-Helmholtz theory of colour vision, according to this theory there are three receptors in the retina that are responsible for the perception of colour. These receptors have different sensitivity level. Blues ones are the most sensitive and the red ones the least. But to perceive the colour needs the interaction between at least two photo receptors. Then the three colours are combined to form any colour in the visible spectrum.
Answer:
it's not know why
Explanation:
Due to slavery.
Due to African Americans joining the war.
Due to segregated units in the war.