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olchik [2.2K]
3 years ago
11

What is the purpose of using multiple control groups in an experiment

Biology
2 answers:
mamaluj [8]3 years ago
6 0

Answer:

The independent variable is "controlled" or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.

Explanation:

Mariulka [41]3 years ago
5 0

Answer:

Explanation:

A control group is a standard group which is used for the purpose of the experiment. It does not receive any manual treatment by the experimenter. Instead it is kept as a standard for comparison of the other variables.

The multiple control groups are used in the experiment so as to increase the accuracy, consistency and reliability of the results. As if one control group contains contaminants it may produce errors in the experiment. To avoid error and enhance error and increase accuracy multiple control groups are used.

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iogann1982 [59]

Cortisol hormones are stress hormones that increase blood glucose levels. When the level of happiness increases the level of cortisol does not increase.

<h3>What are cortisol and its function?</h3>

Cortisol is the steroidal hormone that is produced in the cortex of the adrenal glands and is discharged in the blood vessels when in stress or danger.

It has a variety of functions including regulation of the blood pressure, response to the stressful condition and increase of the metabolism of the body.

It also acts as happiness hormones along with adrenaline and oxytocin but is a major flight or fight hormone and increases the heart rate in dangerous conditions.

Therefore, the statement is false.

Learn more about cortisol here:

brainly.com/question/26291522

3 0
2 years ago
Goldman is a psychotherapist who follows the psychodynamic perspective. When treating a patient for a fear of spiders, Dr. Goldm
Mashcka [7]

Answer:

Goldman is a psychotherapist who follows the psychodynamic perspective. When treating a patient for a fear of spiders, Dr. Goldman <u>first has to assists the patient in identifying the unconscious roots of the fear.</u>

Explanation:

The first thing that Dr. Goldman has to do as a psychotherapist to help a patient with a fear of spiders is work with the person to try to find the reason why the patient is scare of spiders and what has provoked this fear. The cause is something that is repressed and operating on a subconscious level, if not, it would be hard for the person to deal with this fear and the cause in an everyday basis, with the help from the therapist the patient can work on this subconscious things and tolerate them.

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SIZIF [17.4K]
The correct answer will be 
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dem82 [27]
I would say Viscosity
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natima [27]

They Have a common ancestor......

Hope this helps 
3 0
3 years ago
Read 2 more answers
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