Given the following data: 
Return on investment (ROI) is:
Definitions:
General Cognitive Ability
The overall mental capability involving reasoning, problem-solving, planning, abstract thinking, complex idea comprehension, learning from experience, and more.
Job Satisfaction
The level of contentment a person feels regarding their job, which can affect their performance and overall well-being.
Learning
A relatively permanent change in behavior potential that occurs due to practice or experience.
Complex Tasks
Tasks or jobs that require a high level of cognition, involving multiple and variable elements that need to be processed simultaneously.
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