Ravens Standard IQ Test,Ravens Progressive Matrices. This is CRT(Combined Raven’s Test), it combined CPM(Colour Progressive Matrices) and SPM (Standard Progressive Matrices), extended the range of age, from 5-year-old child to 95 year elders, 72 questions in 40 minutes. This assesses various components of intelligence, including: A: Ability to distinguish consciousness. B: Ability to distinguish similar. C: The comparative reasoning ability. D: The relationship between the series. E: Conceptual reasoning ability. F: Learn & abstract reasoning. (Each section contains 12 questions.) The test result includes 7 levels: 1: Extraordinary 2: Excellent 3: Good 4: Medium 5: Under medium 6: Low 7: Mentally retarded In each test question, the subject is asked to identify the missing element that completes a pattern of the shapes, please select one of the six or eight candidates. Note: You can input half a year as age to calculate the final result, such as 5.5, 6.5, 7.5 etc.