Jimmy looks at a picture of a side of a submarine that has dents and bumps on it. When he turns the picture upside-down, what he originally perceived as bumps, now look like dents, and vice versa. This is due to
A) figure-ground reversal
B) the oblique effect
C) accidental properties of light
D) the "light-from-above" assumption

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications. you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)

How many states were there when the constitution was written?

How does the author's discussion of schroeder's study contribute to the development of ideas about how children react to mistakes?