> a) making culture-based tests this involves "general intelligence" trait g. > b) adapting test mechanisms to different styles of learning (including verbal, pictorial test administration/proctoring and grading this involves "general intelligence" trait g. > c) making tests that test different types of intelligence like spacial, movement or activity-based (memory/storytelling, handicraft-making, hunting/foraging, farming/animal husbandry, direction-finding, musical, whatever) this involves "general intelligence" trait g. "general intelligence" trait g is what iq tests measure, expressed in terms of population distribution.
United States