Although we frequently speak of "six degrees of separation," in fact,approximately ____________ of the people in the world are connected to each other through
Six steps.
A) all
B) half
C) none
D) 23 percent

Question

Quizplus · Accepted Answer

The original concept of "six degrees of separation" was based on a study done in the 1960s, which suggested that any two people in the world could be connected through a chain of mutual acquaintances no longer than six people. However, more recent research has found that in practice, the number of steps needed to connect any two people on average is actually closer to three or four. Still, it is estimated that around half of the world's population could be connected to each other through six degrees of separation.

Although We Frequently Speak of "Six Degrees of Separation," in Fact,approximately