A statistical technique that would allow a reseracher to cluster such traits as being talkative, social, and adventurous with extraversion is called a a case study. b statistical significance. c factor analysis. d z-score. e meta-analysis.

Factor analysis

Explanation:

Factor Analysis

This is commonly known as decrease or lower the number of variables. It simply means to lower the number of columns in a data matrix. It usually combines related variables to common factors.

Example: can questions that are used to assess the brand qualities be clustered or grouped together to fewer rates or dimensions

The Concept of factor analysis includes:

1. It simply want to identify those factors that gives detail explanation on correlation among a set of variables.

2. To also identify a new, smaller set of uncorrelated variables to replace the original set of correlated variables in regression or discrimination.

3. To identify a smaller set of quiet variables from a bigger set for use in other multivariate analysis.

where are the choices