After Controlling for Z, the Partial Correlation Coefficient Is

question 12

Multiple Choice

After controlling for Z, the partial correlation coefficient is .78. The bivariate Pearson's r between X and Y was only .51. What should the researcher do next?

• A) Use
• B) Halt the investigation since these results are mathematically impossible
• C) Conclude that the relationship between Z and Y is direct
• D) Conclude that the relationship between Z and Y is spurious

---

Definitions:

Ionizing Radiation

Radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.

Spent Fuel Rods

Used nuclear reactor fuel that is no longer efficient in generating power but remains radioactive and hazardous.

Depleted Uranium

Uranium with a lower content of the fissile isotope U-235 than natural uranium, used in military applications and for counterweights.