is a 151-item marriage preparation tool, which includes additional, optional items for interfaith couples, cohabiting couples, remarriage couples and couples with children. The Inventory was developed in 1986, updated with cohabiting couple items in 1997, revised in 2000 and updated to the 4th edition in 2013 with new research-based items in areas related to internet use, pornography, prayer in marriage and pets. All editions have strong psychometric characteristics of reliability, content, construct and predictive validity.