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Chapter Nine Intelligence and Psychological Testing List and describe the principal categories of psychological tests. Explain the concepts of standardization and test norms. Explain the meaning of test reliability and how it is estimated. Explain the three types of validity and how they are assessed. Summarize the contributions of Gallon and Binet to the evolution of intelligence testing. Summarize the contributions of Terman and Wechsler to the evolution of intelligence testing. Explain the meaning of an individual's score on a modem intelligence test. Discuss the reliability and validity of modem IQ test scores. Discuss how well intelligence tests predict vocational success. Discuss the use of lQ tests in non-Western cultures. Describe how mental retardation is defined and divided into various levels. Discuss what is known about the causes of mental retardation. Discuss the role of lQ tests in the identification of gifted children. Describe the personal characteristics of the gifted and adult achievements of the gifted. Summarize empirical evidence that heredity affects intelligence. Discuss the Burt affair and estimates of the heritability of intelligence. Describe various lines of research that indicate that environment affects intelligence. Using the concept of reaction range, explain how heredity and the environment interact to affect intelligence. Discuss heritability and socioeconomic disadvantage as alternative explanations for cultural differences in average IQ. Discuss the possible contributions of stereotype vulnerability and cultural bias to ethnic differences in average IQ. Describe some new trends in the assessment of intelligence. Describe Stemberg's and Gardner's theories of intelligence. Essay Explain the way views about the heredity and environment of intelligence have affected the development of intelligence tests