C.It can reproduce very quickly
Answer:
20
Explanation:
According to my research on the repeated measure design, I can say that based on the information provided within the question for this design they would need exactly 20 subjects. This can be said because the repeated measure design is a research method in which the same test subjects are used more than once for different treatments. Which in this case would be three different treatments, and since the scientists concluded they need the same amount of subjects for each treatment then they can use the same 20 subjects for all three treatments.
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The ability to distinguish images on different planes corresponds to the Gestalt principle of a figure-ground relationship.
<h3 /><h3>What is the Gestalt principle?</h3>
It corresponds to a theory developed about the ability of the human mind to perceive objects in relation to their shape, creating patterns that help to distinguish objects from people and environments, for example.
Therefore, the figure-ground relationship is related to the ability of individuals to visually distinguish one object from another in different planes.
Find out more about Gestalt principle here:
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There isn't clear proof as to what made the Mayans pack up and leave (yet) however, people believe it could have been caused by agricultural issues, revolts, and/ or the arrival of the Spaniards/ other invaders.
