Which of the Following Is Most Likely to Generate a Tip-Of-The-Tongue

Which of the following is most likely to generate a tip-of-the-tongue (TOT) experience?

A) Trying to remember the name of your first-grade teacher whom you have not seen in 20 years
B) A coach trying to remember the name of one of her former players
C) A third-grade student trying to remember the definition of the vocabulary words he is studying
D) Justin,who has just met ten people for the first time