The questionnaire design theory of PDP was developed by American psychologists Thurstone (1934), Kader (1950), guildford (1954), Fiske (1949) and Daniels (1973). These four methods are structure, contributing factors, predictive ability and content validity, and the discrimination reliability of all adjectives has exceeded 86%. The investigation of research institutions shows that the error rate is less than 4% when adopting and implementing the procedures recommended by PDP. Using PDP system to motivate employees will make employees enthusiastic about creating work value, and then reduce the bad turnover rate and dissatisfaction; In some cases, employees will feel that they are concerned and understood by the company.
PDP is known as the most extensive and accurate "human resource diagnosis system" in the world, and it is also the best evaluation tool for talent utilization in well-known enterprises at present. More than 27 years of R&D history, 65,438+600,000 effective computer cases, more than 5,000 enterprises and organizations continuously tracking effectiveness, 4 million effective research and tracking, used in 34 countries, 96% accuracy, 8 language versions.