There are so many lenses through which to look at the 16 Myers-Briggs Personality TypesŪ - often used for career and occupational tests. Various lenses help delineate the differences between people or the personality types. Let's take a brief look here at one of the well www.dailymotion.com/freepersonalitytest - www.dailymotion.com/freepersonalitytest - known lenses, the lens of Temperament.I like the brief and precise descriptions used by John Lopker, in his following book Pictures of Personality. We can look at just a few examples of these where he describes the four Temperaments of SJs, SPs, NFs and NTs. Myers explains that these four groupings of the 16 personality types are vastly different in their attitudes and actions. Here are the 4 groupings.