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Reliability in Psychological Testing
Grade Level
Psychology
PSY.188 Reliability in Psychological Testing
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A short scale has alpha =.98 because every item repeats nearly the same sentence with slightly different wording. What is a balanced conclusion?
A
The scale must be invalid because reliability is high.
B
The scale may be highly consistent but too narrow or redundant for some uses.
C
The scale has no internal consistency because items are similar.
D
The scale proves inter-rater reliability without raters.
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