Eysnecks type theory
Aim: To investigate the personality of 700 servicemen
Method: Each soldier completed a questionaire Esyneck analysed the result using statistical technique called factor analysis
Results: He identifed two dimentions of personality:extroversion-intoversion and neuroticim-stability
Conclusion: Everyone can be placed along these two dimention of personality. Most people lie in the middle of the scale.
Evaluation: - His orignal research used a limited sample of servicemen o test his ideas
+ However late research was carried out on 1000s of people and supported Esynecks ideas
-He only described a limited number of personality types