Which of the following is the best example of a self-fulfilling prophecy? a. A teacher believes that boys are better at math than girls, but boys in his class do worse than girls in math.  b. Bob...

Which of the following is the best example of a self-fulfilling prophecy?

a. A teacher believes that boys are better at math than girls, but boys in his class do worse than girls in math.

 b. Bob thinks that members of the Alpha Beta Psi sorority are unfriendly and snobby. Whenever he meets members of this sorority, they are friendly toward him.

 c. Sarah is worried that her son is not gifted in music, but he does better at his piano lessons than she expected.

d. Jill thinks her daughter is not a very good reader and doesn’t spend much time reading to her. As a result her daughter falls behind in reading at school.