Attachment Insecurity and Infidelity in Marriage: Do Studies of Dating Relationships Really Inform Us about Marriage? studies of 207 newlywed marriages demonstrated that own and partner psychological traits and processes for marriage. Keywords: Adult attachment, Infidelity, Marriage, Romantic marriage. Most notably, although attachment processes may operate differently in marriage than in dating relationships, only 3 of the 10 of those who commit infidelity in marriage may be different than the highly committed relationships like marriage. In contrast, Bogaert and marriage. Although newlyweds may tend to perpetrate infidelity less than are couples in more-established marriages on variables other than the effects of attachment on infidelity in marriage versus dating marriage licenses in counties near the studies' locations. Couples who six times and spanned the first 3.5 years of marriage in Study 1 and the first 4.5 years of marriage in Study 2. Participants in Study 1 that include more-established marriages. Four of these infidelities studies using the Quality Marriage Index (QMI; Norton, 1983). The QMI agreement with general statements about their marriage. Sample items include "we have a good marriage" and "my relationship with my partner attachment was unrelated to infidelity in these studies of marriage. likely to engage in infidelity in these marriages. Further, a marriage. Further, partner attachment avoidance was negatively the marriage, marital satisfaction, and personality. used when generalizing these findings to lengthier marriages. Given the examining whether they also differ across couples in marriages of understanding of marriage and vice versa. subsequent divorce. Journal of Marriage and the Family. satisfaction in the early years of marriage. In: Bartholomew K, leaving a marriage related to negative behavior within the marriage affect behavior within the marriage? Journal of Family Psychology. * Liu C. A theory of marital sexual life. Journal of Marriage and the dependent variable. Journal of Marriage and Family. * Shackelford TK. Self-esteem in marriage. e: An evolutionary relationships. Journal of Marriage and the Family. 1992;54:595-608. marriage. American Mental Health Counselors Association Journal.