Using assessment tools and tests effectively requires following some best practices. Firstly, you should define your hiring criteria and identify the key competencies and skills you want to measure and evaluate. Secondly, you should choose or design valid and reliable assessment tools that are relevant and fair to all candidates. Thirdly, you should administer and score assessment tools consistently, providing clear instructions, feedback, and support. Lastly, you should interpret and use assessment results wisely, understanding the strengths and limitations of each tool or test, while also considering other factors such as motivation, fit, potential, resumes, interviews, or references.