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kvv77 [185]
3 years ago
7

A researcher studying the effect of noise level on concentration randomly assigns student participants to either a noisy room or

a quiet room to take a problem solving test. The researcher subsequently compares the two groups' test scores using a t-test and concluded p = .05. The independent variable in this study is the.
Social Studies
1 answer:
aleksklad [387]3 years ago
5 0

The correct answer is

The independent variable in this study is the Noise level

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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.

Read more on double blind technique here: brainly.com/question/23389356

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