<u>Answer</u>:
Instrumentation
<u>Explanation</u>:
Instrumentation internal validity threat:
<u><em>There are seven instruments internal threat are as follows:
</em></u>
<u>Instrumentation</u>: It is very important for research that the instrument used for the research should be accurate in their measurement because its accuracy will be responsible for the outcomes of the study.
Answer:
participants were not allowed to seek available treatment
Explanation:
Tuskegee Syphilis Study was known as "Tuskegee Study of Untreated Syphilis in the Negro Male." The study started in 1932. The purpose of the study was to record the natural history of syphilis.
<u>The problem with this treatment was that the researchers first did not inform the participants on whom they were performing the research about the purpose of this study. Second, researchers did not allow these participants to seek available treatment for syphilis i.e., drug penicillin.</u>
So, the correct answer is the first option.
Answer:
The American flag is a material object that denotes the United States of America; however, there are certainconnotations that many associate with the flag, like bravery and freedom. In this example, bravery and freedom are D. Nonmaterial culture.
Explanation:
Non-material culture are thoughts or ideas -and not physical objects- that make up a culture. Any ideas, values or belief that may shape a given society are considered non-material culture, such as bravery and freedom in this case. The American flag is the symbol associated to these elements, because it is a material object that represents the country.
<span>Stimulation of the senses through the transmission of sensory information to the central nervous system is called SENSATION (B).
Hope this helps :)</span>
