Friendship-Based Love Scale The FBL was first developed as a 6-item questionnaire measuring perceived likability and enjoyment of each other within a loving relationship and was later expanded to a 9-item measure. Read more about Friendship-Based Love Scale
The Marital Disaffection Scale The MDS is a 21-item Likert-type questionnaire designed to measure feelings of marital dissatisfaction experienced by spouses. Read more about The Marital Disaffection Scale
Interpersonal Relationship Scale The IRS is a 27-item Likert-type scale that assesses six aspects of romantic jealousy. Read more about Interpersonal Relationship Scale