Spearman's Rho

Spearman's Rho

Assessment

Interactive Video

Social Studies, Mathematics

University

Hard

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The video tutorial explains Spearman's rank correlation, a nonparametric test for analyzing ordinal data. It breaks down the formula, showing how to rank data, calculate differences, and interpret results. The tutorial demonstrates the calculation process, leading to a positive correlation between self-rated and peer-rated aggression. It also discusses critical values and the significance of results, emphasizing the importance of understanding whether a correlation is positive or negative.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of data is Spearman's rank correlation used to analyze?

Ratio data

Ordinal data

Nominal data

Interval data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the calculation of Spearman's rank correlation, what does 'D^2' represent?

The sum of ranks

The sum of differences squared

The sum of scores

The sum of differences

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in calculating Spearman's rank correlation?

Calculate the sum of ranks

Rank the data

Calculate the standard deviation

Find the mean of the data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a positive Spearman's rank correlation coefficient indicate?

No correlation

A positive correlation

A perfect correlation

A negative correlation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines whether a test is one-tailed or two-tailed in Spearman's rank correlation?

The size of the data set

The expected direction of the correlation

The number of variables

The type of data