Description of data files Exp 1: agentEmotion: Agent facial expressions (0:Angry, 1:Sad) expScenario: Experimental Scenario SVValue: Responses to the Baron and Spranca's (1997) measure SV: Coded as 1 if SVValue == 4 exclude: Participants who dropped out of the negotiation before Round 3 (made only one or two offers and were exposed to the emotional displays of the agent only once) were excluded from the analysis. Only data for participants with exclude == 0 should be considered item001 to item011: Demand for an item on round n. itemDiff: Demand difference for item (item001-item011) sad: Number of sad facial emotions chosen by participants angry: Number of angry facial emotions chosen by participants Exp 2: Please note that participant 2801 was excluded from the analysis. agentEmotion: Agent facial expressions SVValueItem: Responses to the Baron and Spranca's (1997) measure for each Item SVItem: Coded as 1 if SVValueItem == 4 SVAny: if any SVItem == 1 then SVAny == 1 exclude: Participants who dropped out of the negotiation before Round 3 (made only one or two offers and were exposed to the emotional displays of the agent only once) were excluded from the analysis. Only data for participants with exclude == 0 should be considered ta001Item to ta011Item: Demand for an item on round n. sad: Number of Sad facial emotions chosen by participants angry: Number of angry facial emotions chosen by participants neutral: Number of neutral facial emotions chosen by participants content: Number of content facial emotions chosen by participants BL-CV: Moral Foundations Questionnaire Exp2-mixed-design: This file includes that same data as in Exp 2, but has been reformatted for mixed-design analysis. Please note that participant 2801 was excluded from the analysis. agentEmotion: Agent facial expressions SVItemMean: Mean demand difference on items perceived as SV NonSVItemMean: Mean demand difference on items perceived as Not SV