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.
Education Positions. Many doctoral-level psychologists choose to work in academia. The APA reported that the median salary for doctoral-level psychology faculty working 9 to 10 months was $76,090 in 2009.Actual salaries can vary greatly, as they are often based on other factors such as the type of higher educational institution, years experience and academic standing.ducation Positions. Many doctoral-level psychologists choose to work in academia. The APA reported that the median salary for doctoral-level psychology faculty working 9 to 10 months was $76,090 in 2009.