In conclusion, the data on this report infers that the differences are not as diverse as generally presumed or perhaps, not all that makes up a personality can be easily reduced into labels or numbers, via Eysenck's factor analysis. Shackleton (1984) agrees in referring to the use of factor analysis in the identification of basic personality traits, "This approach has been with us a good many years now, and not everyone is impressed by the sum of it's achievements." (Shackleton, 1984, p. 63). The common belief that there are significant differences between extraverts and introverts suggest that extremes would be easily found between these two traits of personality. However, these experiments found no such evidence to support the four hypotheses investigating this possibility. It did however, suggest that more attention to laboratory conditions and technique may have resulted in reflecting a more accurate representation in the differences between extroversion and introversion.…