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.
<span>The faith of the Christians does not rest upon the crucifixion of
Christ but His resurrection. This signified His return to save the people from
their sins. This was the fulfillment of His promise to rise again after three
days. This was the proof that He is God. This the reason why Christians fast,
abstinate, mourn and repent during Lenten season and celebrates the Easter day.
Because this was the day when Jesus revealed Himself as God and gave hope to
the Christians that they will be saved from their sinful deeds.</span>
Answer:
A island is an area of land where water surrounds it.
Blue collar workers are those who perform manual labor such as construction, mining, or maintenance.
White collar workers are those who work in an office. White collar jobs tend to pay better than blue collar jobs.
<span>Many intellectuals and many of those working in development believe that the size of the world's population and its accelerated growth is the greatest problem and the gravest threat to humanity. Clearly, the ratio of the number of people to the amount of food available has an impact on nutrition, but how do these two factors interact? At the end of the eighteenth century the British political economist Thomas Malthus speculated that population growth could soon surpass production and food supply. By the end of the twentieth century, this had not happened, but malnutrition was widespread.</span>
