Supplemental Material, SPPS745115_suppl_mat - What Do I Call Us? The Investment Model of Commitment Processes and Changes in Relationship Categorization HaddenBenjamin W. HarveyS. Marie SetterstenRichard A. AgnewChristopher R. 2018 <p> Supplemental Material, SPPS745115_suppl_mat for What Do I Call Us? The Investment Model of Commitment Processes and Changes in Relationship Categorization by Benjamin W. Hadden, S. Marie Harvey, Richard A. Settersten, and Christopher R. Agnew in Social Psychological and Personality Science </p>