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.
Artifacts are things that were made by our ancestors they are important BC without them you will never have stuff like wheels ,cars and stuff like that
"The Reward system" believe that the more stratified a society, the less likely that society will benefit from the talents of all its citizens.
<h3>
Why do societies stratify?</h3>
The societies stratified because of gender, caste, race, wealth, and religion etc.
Social stratification means society is divided in different categories, class, layers or groups due to gender, caste, race, wealth, and religion etc.
Society stratifies due to the Gender discrimination means male- female difference, unequal distribution of income and wealth, different types of religions, racism and type of education etc.
Learn more about society, refer to the link:
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Based on the characteristics of both an education diploma and a degree in education, a degree takes longer to study and allows you to qualify for more advanced degrees.
<h3>Who offers degrees and diplomas?</h3>
Diplomas are offered by universities and institutions while degrees are offered by both colleges and universities.
<h3>What is the duration of study for diplomas and degrees?</h3>
A degree generally takes about 3 - 4 years to complete while a diploma can take 1 - 2 years.
<h3>Minimum requirements </h3>
Both degree programs and diplomas require a high school qualification. Degree programs can sometimes require diplomas as well.
<h3>What degrees can you apply for?</h3>
Diplomas allow you to apply for degrees while degrees allow you to apply for masters degrees and post-graduate diplomas.
Find out more on diplomas and degrees at brainly.com/question/1542134.
