Intelligence cannot be directly measured, but we can compare to each other. Intelligence: the ability to solve problems and to adapt and learn from experiences. People argue that creativity should be considered intelligence. Binet developed the concept of mental age (ma), an individual"s level of mental development relative to others. Intelligence quotient (iq) refers to a persons mental age (ma) divided by chronological age (ca), multiplied by 100. Scores on the standford-binet form a normal distribution, majority of scores fall in the middle with a few on either side. Wppsi-iv tests children from 2-7 years. The use and misuse of intelligence tests. Intelligence tests can predict longevity, school success, and job success. But they can be misused and lead to self-fulfilling prophecies. They should take into consideration other variables about the child. Triarchic theory of intelligence intelligence comes in three forms: analytical, creative, and practical. Analytic intelligence involves the ability to analyze, judge, evaluate, and compare, and contrast.