What aspect is crucial for a resume to effectively communicate the individual's qualifications?

An achievement-based approach is essential for a resume because it provides concrete evidence of an individual's qualifications and capabilities. By highlighting specific accomplishments, candidates can demonstrate how they have added value in previous roles, rather than merely listing duties or responsibilities. This allows potential employers to see the direct impact the candidate has had on their past organizations and envision how they might contribute in the future.

When candidates use achievement-based information, they can quantify their successes—such as sales increases, cost savings, or project completions—which adds credibility to their claims. Recruiters and hiring managers often prefer this method as it allows them to quickly assess the qualifications of a candidate in a meaningful way. In contrast, a focus solely on the length of the document, formatting, layout, or personal anecdotes might not convey the same level of information regarding the candidate's fit for the position.