Season 2

The UnleashPeople Podcast Episode 3

Aptitude Diagnostics with Basti Stolz (de)

In the third episode of The UnleashPeople Podcast, hosts Ina and Christian Ina sit down with recruiting expert Basti to unpack the often misunderstood world of "Eignungsdiagnostik" (aptitude diagnostics). Many professionals associate the term with generic, stressful logic tests, but Basti explains that true aptitude diagnostics is simply the valid, structured selection of candidates based on their actual fit for a specific role.

The conversation tackles the danger of relying solely on "gut feeling" in hiring. Basti highlights a striking paradox: while companies meticulously compare data sheets before buying an €80,000 machine, they often rely on pure intuition when hiring an employee who costs just as much. The trio discusses the absolute necessity of "Anforderungsbezug" (requirement relevance) – meaning you should only test and ask about skills that are strictly necessary for the job.

Furthermore, the episode shatters the myth that structured, diagnostic-heavy interviews harm the candidate experience. In fact, Christian shares data showing that candidates are significantly more satisfied with structured interviews because they feel their actual skills are being fairly and thoroughly evaluated. The hosts also share actionable advice on how to conduct better interviews, from managing hiring manager biases to digging deep into a candidate's past behavior rather than accepting superficial answers. Whether you are a seasoned HR professional or a hiring manager, this episode provides essential strategies for making fairer, more accurate, and highly effective hiring decisions.

5 Key Takeaways‍

Relevance is Everything (Anforderungsbezug)
Ditch generic logic tests and irrelevant brainteasers. Every question and test in your hiring process must be directly linked to the specific requirements of the job. If a skill isn't needed for the role, remove it from the interview.
Behavior Reveals Competence
You cannot simply ask a candidate if they are a "team player," because everyone will say yes. Instead, competencies must be evaluated by looking at concrete past behavior. Ask biographical questions that force candidates to explain exactly what they specifically did in a past professional situation, rather than what their team did.
Structured Interviews Boost Candidate Experience
Do not be afraid of conducting challenging, structured interviews. When candidates are asked highly targeted, relevant questions (like case studies), their overall experience improves because they feel their capabilities are genuinely being assessed, leading to more justified rejections or offers.
Standardize to Combat Bias
The human brain naturally filters information and relies on biases or "gut feelings". To counter this, never go into an interview alone, and ensure you ask every candidate the exact same questions in the exact same order. This creates a fair baseline for comparison.
Effective Interviewing is Hard Work
Conducting a psychologically sound interview is not just a casual chat; it requires thorough preparation, active moderation, and deep listening. Interviewers and hiring managers need proper training to learn how to tolerate silence, ask probing follow-up questions, and evaluate outcomes without expecting the candidate to solve a problem exactly the way they would.

In case you want to just listen to the episode, here are the links:

The UnleashPeople Podcast - Season 2: Episode 3