Jessica is a self-employed psychologist that does consulting work because she is often employed by large companies to conduct personnel selection and training.
Basically, a psychologist refers to a professional that studies mental states, perceptual, cognitive, emotional, and social processes and behavior.
The work of a psychologist involves the experimentation, observation, and interpretation of how individuals relate to each other and to their environments.
However, Jessica is a self-employed psychologist because she is often employed by large companies to conduct personnel selection and training.
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