Moritz Merkle completed his doctoral studies at the Technical University of Darmstadt supervised by Prof. Dr. Dr. Ruth Stock-Homburg. Today he is postdoctoral researcher and habilitation candidate in the field of service marketing.

• 1 Introduction.- 2 Conceptual Background.- 3 Method.- 4 Study 1: A Service Robot Acceptance Model: Customer Acceptance of Humanoid Robots During Service Encounters.- 5 Study 2: A Cross-Country Comparison of Attitudes toward Humanoid Service Robots.- 6 Study 3: Beyond the Call of Duty: The Impact of Innovative Service Behavior by Robots on Customer Delight.- 7 Study 4: Customer Responses to Service Robots: Comparing Human-Robot Interaction with Human-Human Interaction.- 8 Overall Discussion.

Moritz Merkle completed his doctoral studies at the Technical University of Darmstadt supervised by Prof. Dr. Dr. Ruth Stock-Homburg. Today he is postdoctoral researcher and habilitation candidate in the field of service marketing.

• 1 Introduction.- 2 Conceptual Background.- 3 Method.- 4 Study 1: A Service Robot Acceptance Model: Customer Acceptance of Humanoid Robots During Service Encounters.- 5 Study 2: A Cross-Country Comparison of Attitudes toward Humanoid Service Robots.- 6 Study 3: Beyond the Call of Duty: The Impact of Innovative Service Behavior by Robots on Customer Delight.- 7 Study 4: Customer Responses to Service Robots: Comparing Human-Robot Interaction with Human-Human Interaction.- 8 Overall Discussion.

Moritz Merkle completed his doctoral studies at the Technical University of Darmstadt supervised by Prof. Dr. Dr. Ruth Stock-Homburg. Today he is postdoctoral researcher and habilitation candidate in the field of service marketing.

• 1 Introduction.- 2 Conceptual Background.- 3 Method.- 4 Study 1: A Service Robot Acceptance Model: Customer Acceptance of Humanoid Robots During Service Encounters.- 5 Study 2: A Cross-Country Comparison of Attitudes toward Humanoid Service Robots.- 6 Study 3: Beyond the Call of Duty: The Impact of Innovative Service Behavior by Robots on Customer Delight.- 7 Study 4: Customer Responses to Service Robots: Comparing Human-Robot Interaction with Human-Human Interaction.- 8 Overall Discussion.