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umka2103 [35]
3 years ago
6

Sometimes, researchers will administer a(n) ________ to participants in the control group to control for the effects that partic

ipant expectation might have on the experiment.
dependent variable
independent variable
statistical analysis
placebo
Social Studies
2 answers:
Radda [10]3 years ago
5 0

Answer:

placebo

Explanation:

We often hear about placebos being used in pharmacological tests. A placebo is an inert substance, sometimes called a "sugar pill," which can be given in place of the drug being evaluated.

Scientists commonly use placebos to study the effects of a new drug. This is done by providing the drug to a number of people who participate in the trial, while the rest receive another substance that lacks medical or therapeutic properties.  Test participants do not know if they received the placebo or the actual drug. Often, even doctors know which participants ingest the drug and which not until the end of the pharmacological test.

Nata [24]3 years ago
5 0

Answer:

placebo

Explanation:

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3 years ago
3-month-old Ali is playing with a small stuffed animal. Ali's mother takes the stuffed animal away and hides it. Piaget would ar
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Why does the chief justice - not the president of the senate - preside over the impeachment trial of a president?
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option C  

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the correct answer is option C            

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