The betrayal scale is a tool for the self -report developed by Drigotas, SAFSTROM, and Gentilia in 1999 to assess the degree of physical and emotional intimate relationship in which individuals engage in their primary romantic relationships. The scale is based on the investment form for commitment operations, and it evaluates the recessive behaviors that may expose the uniqueness to the relationship. The original scale consists of 11 elements designed to measure different aspects of marital infidelity, including:
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