In a research study designed to test the effects of alcohol on sociability, neither the participants nor the investigator are aware of who receives alcohol and who does not. this is an example of: the double blind technique.
<h3>What is the double blind technique?</h3>
This is the term that is used in experiments to refer to the existing situation where the people carrying out the experiments and the ones that are participants do not know the particular person that is receiving a given treatment,
Hence we have to say that based on the fact that the participants and and the investigator do not know the groups that are taking the the alcohol and who does not, it is a double blind study.
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d because that is the only thing that happened with america according to FDR's opinion
C. both a and b
Based on my knowledge of energy conversation, Both A (Manufactures can increase a light bub's....) and B ( Energy can be conserved by turning off light when they.....) which makes you C the correct statement.
Upper class individuals are more likely to work in safer environments, such as an office is not an explanation for the given statement.
Answer: Option C
<u>Explanation:</u>
In the given statement the discussion involves life expectancy with respect to education, occupation and income and explain its meaning that upper class live longer and healthier lives than those in lower class.
But the statement that upper class individuals are more likely to work in safer environments, such as an office do not categorize statement according to lower or upper class, that safer environment for work can be available among educated, occupated and handsome income constituted society only, because many brutal cases are examples of unsafe working atmosphere too and even in well structured office.
Education, Occupation and Income are sources of happiness but decision to stay happy and sensible for either rich or poor basically generate from within’s intellectual learning and not biased with any race.
