vWhich technique would psychologists use to assess whether a cluster of characteristics that includes ambition, determination, persistence, and self-reliance reflects a single personality trait?

Factor analysis

Explanation:

Factor analysis is a technique in statistics in which a researcher takes huge data and breaks it into small data. This data is more understandable and manageable. This is the factor that finds out the hidden pattern of the data. This shows the hidden multiple pattern and characteristics of the data. of the data. This data is used to develop a similar variable in the set of psychological studies.

This is two types of data:

The exploratory factor analysis. The confirmatory factor analysis.