Calculate the reliability based on the presented scores State the assumption you

Question

Calculate the reliability based on the presented scores State the assumption you made for calculation in 1 The table below presents responses to a business survey. Responses are collected on a 7-point Likert scale ranging from "1=completely disagree" to "7=completely agree". Calculate the internal consistency of the 10 survey items In a short paragraph (no more than 100 words) explain your results for 1 The table below presents responses to a survey assessing customers" likelihood of buying certain products. Responses are dichotomous. "I will buy." "0 will not buy." Calculate the internal consistency of the 10 survey items

Explanation / Answer

The paired correlations for case of dichotonomous response are

Internal Consistency = Average of all paired correlations = -0.01136

I1 I2 I3 I4 I5 I6 I7 I8 I9 I10 I1 1 I2 0.218218 1 I3 -0.375 -0.21822 1 I4 0 0 0 1 I5 -0.40825 -0.08909 -0.10206 0 1 I6 -0.40825 -0.08909 0.408248 0 -0.66667 1 I7 -0.40825 0.356348 0.408248 0 -0.25 0.583333 1 I8 0.327327 0.428571 -0.32733 0 0.089087 -0.35635 0.089087 1 I9 0.102062 -0.53452 0.408248 0 0.166667 -0.25 -0.25 0.089087 1 I10 -0.10206 0.534522 -0.40825 0 0.25 -0.16667 0.25 0.356348 -0.16667 1

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