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I want to correlate the level of anxiety of workers (normal, moderate, severe, etc.) and their job performance (very high, high, moderate, etc.) what should I use?

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  • $\begingroup$ What do you like about spearman-rho that you used as a tag? $\endgroup$
    – Dave
    Jul 29 at 15:27
  • $\begingroup$ HI Dave, May I ask. What stat tool should I use to correlate the level of anxiety of workers (normal, moderate, severe, etc.) and their job performance (very high, high, moderate, etc.) what should I use? $\endgroup$
    – Mars Ares
    Jul 29 at 15:29
  • $\begingroup$ @MarsAres See Software implementations for a few options. $\endgroup$
    – Galen
    Jul 29 at 15:35
  • $\begingroup$ Thanks, Galen, I'm just a bit confused about whether to use Pearson or Spearman rho. thank a lot $\endgroup$
    – Mars Ares
    Jul 29 at 15:39
  • $\begingroup$ @MarsAres Spearman's rho is Pearson's r calculated on the ranks of the data, rather than on the data itself. It appears from your question that the levels of your random variables have an order type, but not necessarily scaling properties, so Spearman's rho is likely more appropriate for your data. $\endgroup$
    – Galen
    Jul 29 at 15:47
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I'm just a bit confused about whether to use Pearson or Spearman rho.

Spearman's rho is Pearson's r calculated on the ranks of the data, rather than on the data itself. It appears from your question that the levels of your random variables have an order type, but not necessarily scaling properties, so Spearman's rho is likely more appropriate for your data.

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