QUESTION 47 Binet used the term mental age to refer to A. the chronological age

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QUESTION 47 Binet used the term mental age to refer to A. the chronological age that most typically corresponds to a given level of intelligence test performance B. the years of formal education successfully completed by a child. C.the total number of items correctly answered on an intelligence test divided by the child's chronological age D. the average chronological age of children who completed a particular grade in school. QUESTION 48 Researchers assess the correlation between scores obtained on alternate forms of the same test in order to measure the of the test. A. content validity B. predictive validity C.reliability D. normal distribution QUESTION 49 Crystallized intelligence refers most directly to a person's A. willingness to revise beliefs in light of new information. B. accumulated knowledge and verbal skills. C.capacity for fluid intelligence. D.ability to reason speedily and abstractly QUESTION 50 When lan Deary and his colleagues retested 80-year-old Scots, using an intelligence test the Scots had taken as 11-year-olds, the correlation of their scores across seven decades was A. -.10 8.+.10 C. +66 D. +.06

Explanation / Answer

According to Binet, mental age is the mental capacity or ability of an individual. For instance, an individual with a chronological age of ten years, in correspondence to a given level of intelligence test score, stands at a mental age of thirteen years. This would mean that the child is more intelligent than his peers. As chronological age increases, one's mental age also must increase on an intelligence test.

Thus, the correct answer is option, A.

Alternate-Form Reliability also knows as parallel form or equivalent form. This method requires to develop a test in two forms which are equivalent or comparable to one another. The test is administered to the same sample either or the same day or after a fortnight. When the two forms of the test are administered on the same day, it is known as alternative-form (immediate) reliability and the latter is known as alternative-form (delayed) reliability. The test scores on the two forms are computed to derive the reliability coefficient. The higher it is, the reliable the test is.

Thus, the correct answer is option, C.

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