When Only Ordinal-Level Data Are Available, Spearman's Rank Correlation Rather

question 1

True/False

When only ordinal-level data are available, Spearman's rank correlation rather than the Pearson product-moment correlation coefficient must be used to analyze the association between two variables.

---

Definitions:

Amino Acids

Organic compounds containing both an amino group and a carboxylic acid group, serving as the building blocks of proteins.

Arginine

An essential amino acid that plays an important role in protein synthesis and various metabolic pathways in the body.

Aspartic Acid

An amino acid with a carboxylic acid side chain, important for enzyme activity and neurotransmission, symbol Asp or D.

Neutral Form

Refers to the state of a molecule when it is not bearing a positive or negative charge, typically in the context of pH-dependent forms of molecules in solutions.