Which of the following is FALSE about the Marital Status Inventory (MSI)?
 1) It is a highly face valid measure.
 2) It has been shown to differentiate among couples with different levels of marital distress.
 3) A drawback is that it does not ask about barriers to separation or divorce.
 4) John Gottman uses a score of 10 or more to indicate that a respondent is "emotionally out the door" and seriously in danger of leaving the marriage.