Ability testing Mathematical ability Testing 6 Mathematics 5 Students 4 Study and teaching (Secondary) 3 Study and teaching (Primary) 2 Academic achievement 1 Arithmetic 1 Case studies 1 English language 1 Grading and marking (Students) 1 Individualized instruction 1 Personality and academic achievement 1 Prediction of scholastic success 1 Probability learning 1 Remedial teaching 1 School children 1 Science 1