The SRA® Reading and Arithmetic Indexes (RAI) are tests of general reading and computational achievement for adults and for young people over fourteen years of age. The RAI-12 can be used to predict job and school performance.
The SRA® Reading and Arithmetic Indexes-12 are packaged as two separate self-scoring booklets. The items are arranged to measure distinct levels of development. The Reading Index progresses through the following six levels:
The Arithmetic Index is composed of the following six levels:
The Actual Score is the total number of questions answered correctly for each level. For each level, the actual score obtained is compared to the Proficiency Score (number needed to pass) to indicate whether the test taker is proficient or sub-proficient in his/her performance at that level. The Total Score is the sum of the Actual Scores for all six levels of an index.