A review of the current state of emotion research in product development

The field of emotion research related to product development is reviewed, focusing on the issues and challenges of recent years. While the traditional field of emotion in psychology and related fields is quite old, the application to products is more recent, and presents the following list of current issues which are reviewed: (1) Defining emotion, (2) Positive and negative emotions, (3) Large or small numbers of emotions, (4) Method: questionnaire or facial or physiological or behavioral, (5) Method: social media studies, (6) When to test emotions: before, during or after a product, (7) Health and Wellness, and (8) Cross cultural and global perspective: does everyone globally have the same feelings and express them the same way?