Results appear contradictory: Highly significant p-value (0.001) and very small R-value (0.02).

How is this possible? What is the correct interpretation of these results?

nMDS shows no clustering.

Thanks very much for any assistance.

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Results appear contradictory: Highly significant p-value (0.001) and very small R-value (0.02).

How is this possible? What is the correct interpretation of these results?

nMDS shows no clustering.

Thanks very much for any assistance.

With a very large sample, even a very small relationship (or group difference) could produce a significant p value and allow you to reject the null hypothesis.

A small p value does