Answer:
Treatment misidentification
Explanation:
Assistant Z's action introduces treatment misidentification during his therapy. It arises when the researcher claims a change in independent variable due to the dependent variable. Placebo effect is a way of treatment when patients are provided with fake pills.
However, it is due to a treatment that goes unnoticed by the researcher during the treatment which is closely related to the primary treatment. The researcher unconsciously distorts the result when working with patients. Thus, the researcher introduces internal invalidity due to treatment misidentification.
What can a producer gain by specializing? Absolute advantage
When someone specializes in their field, they being an expert in that subject. Absolute advantage is the ability of a person or group to carry out an economic activity better than another. If someone focuses on it and specializes in one area, they are more likely to create an absolute advantage in that area.
The Cabinet includes the Vice President and the heads of 15 executive departments — the Secretaries of Agriculture, Commerce, Defense, Education, Energy, Health and Human Services, Homeland Security, Housing and Urban Development, Interior, Labor, State, Transportation, Treasury, and Veterans Affairs, as well as the Attorney General.
