The objective of the study is to investigate the influence of the Big Five Personality Traits on Job performance behavior in Business Organization. The Big Five Personality Traits are Openness to Experience, Conscientiousness, Extraversion, Agreeableness and Neuroticism/Negative affectivity (Emotional Stability). The focus is on Breweries and foods/other Beverages Manufacturing Organizations in Nigeria. Data for the research is obtained from both primary and secondary sources. The sample size for the study is 352 determined through Taro Yamanes formulae. Bowley’s population allocation formula is used to obtain individual company sample size from 12 organizations. ANOVA (Analysis of Variance) is adopted in the testing of the two formulated hypotheses. The study findings revealed that the Big Five Personality Traits i.e. Openness to Experience, Conscientiousness, Extraversion, Agreeableness and Neuroticism/Negative affectivity (Emotional Stability) is significantly influencing on job performance behaviors in Breweries and foods/other Beverages Manufacturing Organizations in Nigeria. This influence can be either positive or negative. The study also established that positive job performance behaviors of employees caused by the Big Five Personality Traits such as appropriate behavior to develop work methods that maximizes productivity, efficiency and effectiveness, developing self-efficacy of employees leading to better work completion and customer satisfaction, higher level of motivation and job satisfaction, ability to explore new viewpoints, amongst others will lead to high profit attainment, increase in market share, increase in return on investment, growth of the company amongst others. The study recommendations are that, high job performance behaviors that will yield organizations competitive success through profit attainment, increase market share, return on investment (turnover) be encouraged by Breweries and foods/other Beverages Manufacturing Organizations. Again it was recommended that periodic evaluation and assessment of employee’s personality traits to determine fitness and suitability in discharging responsibilities on assigned tasks and positions is pertinent for Breweries and foods/other Beverages Manufacturing Organizations that desire growth success.
Keywords: Big Five Personality Traits, Business Organizations, Job performance behaviors, Manufacturing Organizations, Performance outcome
