This document discusses various types of selection tests used in human resource management. It describes aptitude tests which measure a candidate's ability to learn a given job, including intelligence, mechanical aptitude, psychomotor, and clerical aptitude tests. Achievement tests measure skills and knowledge already acquired. Situational tests evaluate how candidates handle real-life work situations using methods like group discussions and case studies. Interest tests reveal a candidate's preferences for different jobs. Personality tests assess traits like confidence, decision-making, and integrity using objective and projective approaches. The document emphasizes that selection tests should be objective, valid, reliable, and standardized.