Beth is highly motivated to advance her career, but does not like uncertainty. She is also highly concerned about the approval of others. According to the VALS system, Beth would most likely be categorized as a Striver.

Beth's characteristics of being highly motivated to advance her career, her discomfort with uncertainty, and her concern about others' approval align with the Striver category in the VALS system, which describes individuals motivated by achievement who are concerned about the opinions of others and have goals of improving their status.