Question

The researcher who identified 10 basic emotions, most present in infancy, was _____

Answer 1

The researcher who identified 10 basic emotions, most present in infancy, was Carroll Izard.
 He defined the following 10 basic emotions: joy, interest- excitement, surprise, sadness, anger, disgust, contempt, fear, shame, and guilt, while the two categories are arousal (high vs.low) and valence (pleasant, or positive, versus unpleasant, or negative).