Leanne's friends love her 60-year-old mother, liz, who is very warm and friendly. in fact, liz encourages leanne to bring over her friends for cocktail parties or cookouts every weekend that she is free (i. e., when she's not involved with a book club, painting class, or yoga retreat). leanne's father dreads it when her mother invites leanne's friends over. he is reserved, uncomfortable with people he does not know well, and prefers quiet evenings of reading. the big five trait that best describes this aspect of his personality is