She observed that the wheel was a Venn diagram format , and expanded the primary dyads .
Jessica Hagy wrote on her blog that Plutchik 's wheel of emotions gave a demonstration on emotions , but needed more levels of intensity in the emotion combinations .
Jessica Hagy observed that the wheel was a Venn diagram format , and expanded the primary dyads .
Jessica Hagy wrote on her blog that Plutchik 's wheel of emotions gave a demonstration on emotions , but needed more levels of intensity in the emotion combinations .