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3 years ago

11

when a study is designed so that neither the subjects nor the experimenters know which subjects are in the treatment group and w

hich ones are in the control group, the study is called a ____ experiment.

2 answers:

Nata [24]3 years ago

5 0

(taken from a source)

<span>double blind
</span>
Hope this helped!

:)

Greeley [361]3 years ago

3 0

Answer:double-blind (APEX)

Step-by-step explanation:

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Step-by-step explanation:

Nadia's is 41 years old.

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3 years ago

If the product of 1/2 and 2/5 is subtracted from the sum of 1/2 and 2/5 what is the difference

kozerog [31]

Answer:

7/10

Step-by-step explanation:

Lets set up this word problem as an equation to make it easier to solve.

1/2+2/5 - 1/2 x 2/5

<em>Now lets solve using PEMDAS:</em>

<em />

1/2+2/5 - 1/2 x 2/5 1/2 x 2/5 = 1/5

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4 years ago

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3 years ago

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Brut [27]

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Step-by-step explanation:

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3 years ago

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-3/4 is the answer.

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