According to Walberg's studies, what traits were common among historically eminent persons?

The correct choice highlights traits that have been shown to be prevalent among historically eminent individuals according to Walberg's studies. The emphasis on versatility indicates that these individuals possess the ability to adapt to different situations and apply their skills across various domains. Concentration is critical for sustained attention and the ability to delve deeply into complex problems. Perseverance showcases the determination and resilience of these individuals, reinforcing their commitment to achieving their goals despite challenges.

Superior communication skills are essential because they enable the effective sharing of ideas and collaboration with others, which is often a pivotal factor in accomplishing significant achievements. Moreover, the inclusion of "at least moderately high intelligence" acknowledges that while extraordinary genius is not a prerequisite for eminence, a solid intellectual foundation plays a supportive role in those traits, allowing individuals to process information and think critically.

Choosing this option reflects a nuanced understanding of the combination of traits that contribute to exceptional accomplishments, rather than simply focusing on singular qualities like intelligence or specific behavioral characteristics. This combination is indicative of a more holistic view of what contributes to historical eminence.