Compute and simplify so that only positive exponents remain. 
Definitions:
Psychologist
A specialist in psychology, the discipline concerned with the study and understanding of mind and behavior.
Mistaken Conclusions
Incorrect inferences or judgments formed based on faulty reasoning, inadequate evidence, or misunderstanding.
MMPI
Minnesota Multiphasic Personality Inventory, a comprehensive psychological test that assesses personality traits and psychopathology.
Researchers
Individuals who conduct systematic investigations to establish facts or principles or to collect information on a subject.
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