According to classical test theory, what will the reliability coefficient be when the observed score variance is greater than true score variance?
A. 0
B. less than 1.0
C. exactly 1.0
D. over 1.0
Ans: C
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Which of the following statements is true regarding attention deficit hyperactivity disorder (ADHD)??
a. ?Fewer than 40% of surveyed pediatricians reported using the DSM criteria to evaluate cases of ADHD. b. ?Almost 90% of the children in a very large sample who were receiving medication for ADHD met the carefully constructed criteria spelled out in the DSM. c. ?The DSM provides precise criteria to distinguish between normal and abnormal inattentiveness and hyperactivity. d. ?The combination of inattentiveness and hyperactivity in children is, by definition, ADHD.
What are the key symptoms of autism spectrum disorders?
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How do sensory, short-term, and long-term memory differ?
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Tests that measure intelligence in infancy measure primarily ________ and ________ skills
Fill in the blanks with correct word