Which of the Following Does a Correlation Coefficient Not Tell

question 15

Multiple Choice

Which of the following does a correlation coefficient not tell us?

• A) If the difference between two means reflects a real difference or can be attributed to chance fluctuation.
• B) The strength of a relationship between two measures.
• C) The direction of a relationship between two measures.
• D) How well a score on one measure can be predicted by a score on another.

---

Definitions:

Doublet

In spectroscopy, a pair of closely spaced energy levels or lines, often observed in the spectra of atoms and molecules.

Doublet

A pair of closely spaced lines or peaks observed in spectroscopy or other forms of analysis, indicating two related quantum states.

Singlet

In spectroscopy, a singlet represents a state in which all the electron spins are paired, leading to no magnetic spin multiplicity in the atomic or molecular orbital.

Proton Spin Decoupled

A nuclear magnetic resonance technique where the interaction between hydrogen nuclei and neighboring nuclei is removed to simplify the spectrum.