What could a test developer do to increase internal consistency of a test?
a. Accurately measure the test-retest reliability of the test
b. Add well-written questions to each test form
c. Add questions that measure the same concept
d. Adjust the reliability coefficient using the KR-20 formula
c. Add questions that measure the same concept
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Under what circumstances should the publication year be included with the citation in the body of the text?
a. always b. never c. the first time the citation occurs d. only if necessary to distinguish it from other references
The psychological dimensions loudness and pitch are determined by a sound wave's ________ and _______.
A. frequency; timbre B. amplitude; frequency C. decibels; hue D. amplitude; timbre
Abelard is thirteen years old. He spends more time during the day with his mother than with his father. His relationship with his mother is stronger and he feels more close to her than his father. According to research, Abelard is
. unusual – most adolescents are closer to their fathers than mothers. b. typical – most adolescents are closer to their mothers than fathers. c. a difficult child – he is most likely afraid of his father. d. unusual – most adolescents are closer to their parent of the same gender
Approximately what percentage of children in the United States lives with one or more of their grandparents?
A) 1% B) 8% C) 18% D) 27%