History and extraction [edit]. The name tea tree is used for several plants, mostly from Australia and New Zealand, from the family Myrtaceae, related to the myrtle.The use of the name probably originated from Captain Cook 's description of one of these shrubs, that he used to make an infusion, to drink in place of tea.ea tree oil is toxic when taken by mouth, but is widely used in low concentrations in cosmetics and skin washes. Tea tree oil has been claimed to be useful for treating a wide variety of medical conditions.
While the average beginning salary for industrial-organizational psychologists with a masterâs degree is about $50,000, experienced industrial-organizational psychologists with a doctorate degree can earn up to $250,000 per year.owever, more and more school psychologists are earning doctorate degrees in psychology (PhD, PsyD or EdD). In addition to an advanced degree, many schools also require the completion of a 60-credit school psychology specialist program.
Psychologists employed in research settings earned slightly higher average salaries than those in academia. The APA reported that the mean initial annual salary for psychologists working at a research center at a university or institute was $67,364 for 2009 Ph.D. recipients.The lowest average salary was for researchers in the psychiatry departments at medical schools, where they earned a mean wage of $50,275.linical psychologists had initial salaries ranging from $48,846 at community mental-health clinics or centers to $73,563 in the criminal-justice center. If entering a group practice, the mean salary was $50,667.