To make a decision between many good candidates is really difficult. Giving the preference to whom and why? How to prevent from "halo effect" during the decision making? How not to be carried away by first impression?

The best solution is usage of personal diagnostics. Diagnostics is focused on mapping personal, social and professional competences linked with filling vacancy. It also informs you about developing areas or weaknesses. Additional bonuses are concrete advices for future education, coaching themes or consultancies.
An integral part of personal diagnostics is follow-up consultancy.