A Forensic Psychologist Is Attempting to Assess the Reliability of a New

question 64

Short Answer

A forensic psychologist is attempting to assess the reliability of a new test of psychopathy. A random sample of inmates from a large state prison, all of whom had been convicted of violent offenses was selected and given the test. Assume that the test is composed of five items. The test items were scored from 1 to 10, with a 10 assumed to define the highest level of psychopathy. $\begin{array}{c}\text { Items } \\\begin{array}{cccccc}\text { Subjects } & \text { a. } & \text { b. } & \text { c. } & \text { d } & \text { e. } \\1 & 1 & 3 & 2 & 6 & 2 \\2 . & 7 & 9 & 8 & 10 & 9 \\3 . & 5 & 6 & 7 & 4 & 5 \\4 . & 8 & 8 & 9 & 10 & 8 \\5 . & 3 & 4 & 5 & 4 & 4 \\6 . & 2 & 6 & 5 & 3 & 2 \\7 . & 7 & 6 & 8 & 6 & 7 \\8 . & 9 & 10 & 10 & 10 & 9 \\9 . & 5 & 5 & 6 & 5 & 4 \\10 . & 7 & 8 & 5 & 7 & 6\end{array}\end{array}$

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