Ethylene glycol and propylene glycol are organic compounds with alcohol functional groups. The term âglycolâ is used when there are two hydroxyl groups present in neighboring carbon atoms. Their molecular formulas are different; thus they have some different physical properties.
A psychologist is one who is trained in the science of psychology, which explores the predictable relationships between organisms and their environments in order to understand or to influence the functioning of organisms. There are many fields of psychology, as there is with psychotherapy.
Another factor that separates psychologists from counselors and social workers is psychological testing. Although there are exceptions, (some counselors and school psychologists) psychologists are the only professionals who are specifically trained in administering, scoring and interpreting psychological tests.