Which of the following is not a primary function of dating?

While walking through Central Park, Mark sees a man being attacked and mugged. There are many people around the scene, and many of these people are holding phones. Mark is concerned for the man but ultimately does nothing

Mark's actions can be explained by the concept of ________. a) empathic concern b) the diffusion of responsibility c) kin selection theory d) negative-state relief model

What method did psychologist John Alan Lee use to identify the six different ways to love which he called "colors" of love? a. He asked college students to identify feelings associated with their most recent romantic relationship

b. He interviewed couples who had been married for 20 years or longer. c. Using lists of feelings words, he asked individuals between the ages of 10 and 95 to identify the words they most associated with feeling loved. d. He collected statements about love from works of fiction and nonfiction including both ancient and modern authors.