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  • 00:03

    HERSCHEL KNAPP: Welcome to Practical Statisticsfor Nursing Using SPSS.This video shows how to process the Spearman correlation.You can watch the entire video or use the time sliderto navigate directly to any time point.The Spearman correlation is quite similar to the Pearson

  • 00:25

    HERSCHEL KNAPP [continued]: correlation.Before proceeding, it's recommended that you first viewthe video Ch 11 -Correlation and Regression - Pearson.mp4.In terms of setup and results, the Pearson and Spearmancorrelations are quite similar.The Spearman correlation has two primary uses.

  • 00:48

    HERSCHEL KNAPP [continued]: First, remember that for a Pearson correlation,three pretest criteria must be satisfied, normality,linearity, and homoscedasticity.If there's a substantial violation among any of these,then the Spearman correlation is the better choice.Second, the Spearman correlation can be used

  • 01:08

    HERSCHEL KNAPP [continued]: to compare two ranked lists.For example, suppose a dietitian and a patientare each given five dietary cardsand asked to arrange them from most to least preferable foods.The dietitian sorts the cards this way.And the patient sorts the cards this way.The Spearman's rho of 0.900 reveals a strong positive

  • 01:31

    HERSCHEL KNAPP [continued]: similarity among the orders of these two sorted lists.This example uses the data Ch 11 - Example 02 -Correlation and Regression.sav.This data set contains two variables, the dietitians food

  • 01:53

    HERSCHEL KNAPP [continued]: sequence and the patients food sequence.To process a Spearman correlational analysis,click on Analyze, Correlate, Bivariate,move Dietitian and Patient to Variables, uncheck Pearsonand check Spearman.

  • 02:15

    HERSCHEL KNAPP [continued]: Click OK and it will process.The correlations table shows a strong positive correlationof 0.900 between dietitian and patient.We also see that the P value is less than 0.05,suggesting that this is a statistically

  • 02:37

    HERSCHEL KNAPP [continued]: significant correlation.This concludes this video.

Video Info

Series Name: Practical Statistics for Nursing Using SPSS

Episode: 14

Publisher: SAGE Publications, Inc.

Publication Year: 2016

Video Type:Tutorial

Methods: Spearman's rank order correlation, Regression analysis, SPSS

Keywords: dietitians; mathematical computing; mathematical concepts; nursing; Software

Segment Info

Segment Num.: 1

Persons Discussed:

Events Discussed:

Keywords:

Abstract

In chapter 14 of the nursing statistics series, Professor Herschel Knapp provides a brief tutorial on Spearman's rank order correlation. Spearman's test is used both when the criteria for a Pearson test cannot be met and when comparing ranked lists.

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Correlation and Regression - Spearman

In chapter 14 of the nursing statistics series, Professor Herschel Knapp provides a brief tutorial on Spearman's rank order correlation. Spearman's test is used both when the criteria for a Pearson test cannot be met and when comparing ranked lists.

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