4.8 Practice Problems


  1. Alexa is a woman who is a green. She has 25 friends. Of these friends, 17 of them are women, while 15 of the friends are blues (only women and men, only green and blues in this example).
  1. What is Alexa’s EI homophily index for sex and color? Interpret what the direction of the results mean.

  2. How many of each friends of a given attribute would she need to have no demonstrable preferences assuming women/men and greens/blues are both exactly 50% of the population?