A program evaluator for a large school district wants to know how much intelligence varies in the elementary schools. She selects one classroom at each grade level in each elementary school and administers an intelligence test to the children in those classrooms. If the program evaluator wants to find out which school has the highest intelligence level, which of the following should she calculate
for each school?
a. The variance
b. The standard deviation
c. The sum of the deviations
d. The mean
d
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Research indicates the self-sabotage may be caused by which of the following?
A. negative feedback about performance B. constructive feedback to improve skills C. relentless pursuit of boosted self-esteem D. moderate levels of self-deception
Alcmaeon wrote a book in which he proposed that human beings and animals could both perceive the world but only humans could understand what they perceived. What is the title of this book?
a. “City of God” c. “On Nature” b. “The Incoherence of Incoherence” d. “Confessions”
Experts believe that prenatal exposure to ________ is the leading known cause of mental retardation in the United States
Fill in the blank with the appropriate word.
Juan is given a vocational-interest test and is then asked to attempt the same test a week later. The test administrator wants to measure the _______________ of the test
a. content validity b. test-retest reliability c. alternate-forms reliability d. criterion validity