A canonical analysis or a canonical-correlation analysis (CCA) is a method for assessing the association between two multivariate sets of variables. For instance, a group of participants’ happiness levels as to optimism, energy, contentment, and engagement were correlated with their gratitude levels as to intensity, frequency, and span. Through the canonical analysis, the researcher can find out if there is a significant relationship between the specific dimensions of happiness with the specific dimensions of gratitude.