Because you can easily remember times when it rained at the beach, you assume that rainy days are common at the beach. What tendency is responsible for this judgment?

During the last four decades, the buying power of Americans has ________ and their self-reported personal happiness has ________.

Fill in the blank(s) with the appropriate word(s).

What circumstances allowed Sechenov to travel and study in Europe for six years?

a. The death of Czar Nicholas I and a timely inheritance b. The end of his relationship with a young Polish widow c. His training at the Military Engineering School d. His fluency in English and Latin, taught by his childhood governess