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.
Macbeth definition. A tragedy by William Shakespeare, in which the Scottish nobleman Macbeth, misled by the prophecy of three witches and goaded on by his wife, murders the king and usurps the throne. Well-known lines from the play include âLay on, Macduffâ and âOut, damned spot!â.