Jocelyn is assigned two new subordinates at work, Lex and Melissa. Jocelyn feels that Lex is the stronger of the two candidates and that Melissa is lazy. Jocelyn subconsciously gives Lex all of the fulfilling jobs and helps her cope when she is stressed, while she subconsciously gives Melissa all of the boring jobs and tells her to toughen up when she is stressed. At the end of 6 months, Lex is a high performer and Melissa quits in frustration, which confirms Jocelyn's initial impression. Which bias has Jocelyn engaged in?Explain