why use component analysis in pca what is positive perception which term describes a variable that is positive or negative? what is the main difference between pca and positive perception quizlet which of the following is a characteristic that is included in the principal component of the pca? what is the purpose of principal component analysis? how to use a principal component analysis which is a characteristic of positive perception? defining a variable in an index definition positive perception what is the definition of positive perception in pca? what is meant by positive perception in a research study? what are some components in a pca how do u use components of pca define positive perception which component is the positive perception what do you think positive perception means in psychology what is the purpose of using principal part analysis for an index what is pca components what components of pca is used for a measurement?