Research Engineer

This blog presents useful research and statistical methods for researchers and graduate students from the world's first automated decision tree for applied research and statistics, Research Engineer (www.scalelive.com).

Tuesday, October 11, 2016

Use Intraclass Correlation Coefficients (ICC) in SPSS

Use Intraclass Correlation Coefficient (ICC) to assess inter-rater reliability of performance ratings measured at a continuous level.http://www.scalelive.com/intraclass-correlation-coefficient
…#statistics#biostatistics #psychometrics #research #science #tutorial #spss




Posted by Research Engineer at 5:17 PM No comments:
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Monday, October 10, 2016

Run Between-Subjects Statistics For One Group In SPSS

Use Chi-square Goodness-of-fit, one-sample median test, and one-sample t-test in SPSS. http://www.scalelive.com/between-subjects-statistics-for-one-group.html
#statistics #spss #research #science #tutorial




Posted by Research Engineer at 5:21 PM No comments:
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Sunday, October 9, 2016

Prospective Cohort Designs Yield Measures of Incidence and Risk

Prospective cohort designs can yield measures of incidence and relative risk. http://www.scalelive.com/prospective-cohort.html
#research #science #medicine #tutorial




Posted by Research Engineer at 3:09 PM No comments:
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Wednesday, October 5, 2016

Assess Homogeneity of Variance In SPSS

In applied statistics, homogeneity of variance must be met before running t-tests and ANOVA. http://www.scalelive.com/homogeneity-of-variance.html #statistics #biostatistics #research #science #spss #tutorial
Posted by Research Engineer at 7:02 PM No comments:
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Tuesday, October 4, 2016

Conduct One-Sample t-tests in SPSS

Compare an expected or hypothesized mean in a population to the observed mean using one-sample t-tests. http://www.scalelive.com/one-sample-t-test.html
#statistics #biostatistics #research #science #spss #tutorial



Posted by Research Engineer at 5:38 PM No comments:
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Monday, October 3, 2016

Conduct Cox Regression in SPSS

Cox regression is the multivariate form of survival analysis. http://www.scalelive.com/cox-regression.html #statistics #biostatistics #spss #tutorial #science #research




Posted by Research Engineer at 4:35 PM No comments:
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Sunday, October 2, 2016

Use Negative Binomial Regression in SPSS

Predict for skewed continuous outcomes where the variance is higher than the mean. http://www.scalelive.com/negative-binomial-regression.html
#statistics #biostatistics #regression #research #science #spss #tutorial





Posted by Research Engineer at 4:04 PM No comments:
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