The purpose of this article is to provide guidance in choosing among the various available ICCs (which are all discussed in McGraw & Wong, 1996). Though ICCs have applications in multiple contexts, their implementation in RELIABILITY is oriented toward the estimation of interrater reliability.
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The article also provides guidance on how to choose an appropriate intraclass correlation statistic and how to interpret the SPSS RELIABILITY intraclass correlation output.ĬHOOSING AN INTRACLASS CORRELATION COEFFICIENTīeginning with Release 8.0, the SPSS RELIABILITY procedure offers an extensive set of options for estimation of intraclass correlation coefficients (ICCs). Select the type of model (two-way mixed, two-way random, one-way random) and type of index (consistency or absolute agreement).ĭavid Nichols, Senior Statistician at SPSS, Inc., has written a brief article which details the available intraclass correlation options in the RELIABILITY procedure. How can I compute the Intraclass correlation using SPSS? Which type of ICC should I choose for my study? Answer:Ĭheck the Intraclass correlation coefficient box. Intraclass correlation from SPSS Question: The output will provide a table containing the R-squared values, R-squared change values, and the significance levels of the R-squared change values for each model.
In the Linear Regression dialog box, click Statistics.
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How can I get SPSS for Windows to print changes in R-square when I run a multiple regression with more than one block? I want to see the change in R-square when each block is added to the model. Plotting separate regression lines for each subjectĬhange in R-Square using SPSS for Windows Question:.Adjusted means from SPSS MANOVA in a repeated measures with grouping factor.SPSS test of homogenous regression slopes with repeated measures data.Correlating factor loadings from separate samples using SPSS.Computing ANOVAS from summary stats with SPSS.Testing H0: Homogenous regression slopes.Using SPSS LOGISTIC to create a predicted category membership variable.Non-linear regression (negative exponential) with SPSS.SPSS univariate vs.multivariate tests of repeated measures ANOVA.Repeated measures post-hoc comparisons using SPSS.Tukey's test for additivity in repeated measures designs.Contingency tables and the test of independence in SPSS Intraclass correlation from SPSS Windows.
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