Which are they. You may choose your two favorites and I will pass along the results to the good folks at Starburst so that those will be discontinued.
https://www.bbc.com/future/article/20160420-what-can-a-lemon-tell-you-about-your-personality
. The Eysencks claimed that the lemon test supported the theory because people who score higher on questionnaire measures of introversion tend to salivate more in response to lemon juice.