Reliability Results
Reliability and Item Analysis
Click the OK button in the Review Descriptive Statistics dialog box to display the Reliability Results dialog box, which contains five tabs: Quick, Advanced, Attenuation, More items?, and How many?.
Use this dialog box to display the key results of the analysis. For more information, see Reliability and Item Analysis - Introductory Overview.
Element Name | Description |
---|---|
Summary Box | The Summary box at the top of the dialog box displays the number of items in the scale and the number of valid cases as well as missing data information. Additionally, it displays the summary statistics for the scale including mean, standard deviation, skewness, minimum and maximum values, Cronbach's Alpha, sum, variance, kurtosis, the standardized Alpha, and the average inter-item correlation. Click the Summary: Item-total statistics button on the Advanced tab to display a summary of statistics given that a specific value is deleted. |
Copy | Click the Copy button to copy either the selected text (if text has been selected) in the Summary box or all of the text (if no text has been selected) to the Clipboard. Note that the copied text retains formatting information (such as font, color, etc.). |
Contract/Expand | Click the Contract/Expand button to contract or expand the Summary box. When contracted, you can see only one line of the Summary box text and can scroll through the text using a scroll bar. Note that when contracted the text is scrolled so that the first non-blank line is at the top. When expanded (the default setting), the entire Summary box is displayed in the Reliability Results dialog box. |
Summary | Click the Summary button to display a spreadsheet containing the summary statistics for the scale. |
Cancel | Click the Cancel button to return to the Reliability and Item Analysis Startup Panel. |
Options | Click the Options button to display the Options menu. |
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