Setting high performance standards for oneself is indicative of which personal quality?

Setting high performance standards for oneself is primarily indicative of confidence. This is because individuals who possess confidence believe in their abilities and set ambitious goals, reflecting a positive self-assessment of what they can achieve. Confidence allows them to envision success, push their limits, and strive for excellence in their work or personal endeavors. They are more likely to set high standards because they trust in their capability to meet those standards and overcome challenges.

While self-discipline can certainly support achieving high performance standards, it is the belief in oneself—confidence—that drives the initial decision to set those standards. Flexibility and openness are valuable traits in teamwork and adapting to change, but they do not inherently connect to the act of setting high performance expectations.