One of the results of Cattell's application of factor analysis was his discovery of no fewer than 16 separate primary trait factors within the normal personality sphere alone (based on the trait lexicon).attell applied multivariate research methods across several intrapersonal psychological domains: the trait constructs (both normal and abnormal) of personality, motivational or dynamic traits, emotional and mood states, as well as the diverse array of cognitive abilities.
A: The line fair is foul and foul is fair is from the play Macbeth by William Shakespeare, and it means that what appears to be beautiful is actually ugly, and vice versa. The play centers around themes of deception.
Their reversal of the terms blurs the lines of right and wrong, undermining their very meaning. This marks the witches as agents of chaos, in a time when social and religious order were seen as all-important. Like I said, it's the second to last line of the first scene: Fair is foul and foul is fair Hover through the fog and filthy air.