After Controlling for Z,the Partial Correlation Coefficient Is

question 13

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 multiple regression techniques to investigate this relationship further.
• 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.

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Definitions:

Standard Error

The statistical measure that describes the accuracy with which a sample represents a population, often used in inferential statistics.

Sampling Distribution

The distribution of values in a sample.

Significant Correlation

Significant correlation refers to a statistical relationship between two variables that is unlikely to have occurred by chance, indicating a meaningful association.

Causal Relationship

A relationship between variables in which changes in one variable demonstrably result in changes in another.