Text stimulus (diagram): A four-column concept chart titled 'Social Bond Theory Review.' Column headers are Attachment, Commitment, Involvement, Belief. Under Attachment: caring about relationships. Under Commitment: blank with clue 'investment in conventional goals.' Under Involvement: time in conventional activities. Under Belief: acceptance that rules are legitimate. Display details: one row of example icons: handshake, goal flag, calendar, and checklist. Which term belongs in the blank column with the clue 'investment in conventional goals'?