GROWTH DEVELOPMENT CHILD
MEASUREMENT OF INTELLIGENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Construct validity
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Content validity
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Concurrent validity
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Test-restest reliability
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Detailed explanation-1: -Lewis Terman was an influential psychologist who is known for his version of the Stanford-Binet intelligence test and for his longitudinal study of giftedness. His research is the longest-lasting longitudinal study ever conducted.
Detailed explanation-2: -Charles Spearman developed his two-factor theory of intelligence using factor analysis. His research not only led him to develop the concept of the g factor of general intelligence, but also the s factor of specific intellectual abilities.
Detailed explanation-3: -While Binet’s original intent was to use the test to identify children who needed additional academic assistance, the test soon became a means to identify those deemed “feeble-minded” by the eugenics movement.
Detailed explanation-4: -IQ was originally computed by taking the ratio of mental age to chronological (physical) age and multiplying by 100. Thus, if a 10-year-old child had a mental age of 12 (that is, performed on the test at the level of an average 12-year-old), the child was assigned an IQ of 12/10 × 100, or 120.