A New Test, Designed to Test Parental Permissiveness Among Parents

A new test, designed to test parental permissiveness among parents of K through 4th grade children, was developed and you as the statistical consultant have been asked to assess its reliability. The test is composed of 4 items and was given to a random sample of 5 parents. The items on the test were scored from 1 to 10, with 10 showing the most permissiveness. Using the Cyril Hoyt ANOVA, find the internal consistency reliability of the test. Items $$\begin{array}{c}\text { Items }\\\begin{array} { c c c c c c } \text { Subjects } & \text { a } & \text { b } & c & d \\1 & 8 & 10 & 9 & 8 \\2 & 10 & 8 & 9 & 10 \\3 & 6 & 6 & 7 & 4 \\4 & 3 & 3 & 7 & 5 \\5 & 1 & 2 & 5 & 8\end{array}\end{array}$$