In order to assess whether intelligence is a single trait or a collection of several distinct abilities, psychologists have made extensive use of

Factor Analysis

Explanation:

Factor analysis uses a statistical procedure to analyse given information about distinct common factors to determine the strength and influence of each factor on the other. The interdependence helps in analyzing better possibilities as it reduces number of outcomes to favorable and conforming outcomes.

Factor analysis act as a measure to measure correct and closer estimates of events interrelated to each other towards independent variables.

answer; overt behavior;