I-O psychology focuses on human work lives and organizational effectiveness. Field combines research and practice, applying psychological theories to organizations. Psychologists work in scientist-practitioner model improving employee performance
Theory explains behavior selection based on expected outcomes. Developed by Victor Vroom in 1964 at Yale School of Management. Motivation depends on expectancy, instrumentality, and valence
Frederick Herzberg developed theory stating job satisfaction and dissatisfaction are independent. Theory based on interviews with 203 engineers and accountants in Pittsburgh. Satisfaction comes from intrinsic factors like achievement and responsibility. Dissatisfaction results from extrinsic factors like policies and working conditions
Job satisfaction measures workers' contentment with their work. Satisfaction can be assessed at global or facet level. Locke defines it as pleasurable emotional state from job experiences
Psychology divides into research and practice sectors. Research seeks to increase knowledge base. Practice applies knowledge to real-world problems
Average median psychologist salary is $92,740 as of May 2023. Highest-paying psychology careers exceed $151,880 annually. Salaries vary based on location, sector, education, and experience