Answer:The technique use in this study is referred to as a double blind
Explanation:
A double blind study is the one that both participants and experimenters or researchers are not made aware who is given a certain treatment.
In double blind researchers will not know if what they are receiving is part of the test itself as they interact with participants or they are receiving a placebo.
This process is useful to eliminate and avoid bias results.
For example, in the above text the effect of caffein on attention is being tested so the researchers will not know whether the drink given to them is actual for the test or just the placebo , they don't know who is in control of the experiment.
The Mass Transit served the Middle and Upper classes in the 1890's. Hope this helps you!
Answer:
The main problem between the North and the South was the disagreement of slavery.
Explanation:
The North was against slavery, and the South was for slavery. This was the main problem between the North and South because it caused a whole war.
Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of sea water that circulate through the ocean.
(Always willing to give a helping hand)
Answer: His search depends on his location and what he really wants but he can get the job sites in the sites in the explanation section
Explanation:
Below are sites he can use, also he can use google.com to search his preference, then he would get results or clue on what he needs
freejobalert.com
jobsfocal.com
www.sarkariresult.com
sarkariexam.com
www.jobriya.in
collegedunia.com
www.rojgarresult.com.
