A <u>double-blind experiment </u>allows researchers to identify the specific effects of the independent variable from the possible effects of the experimenter's and the participants' expectations about it.
<u>Explanation</u>:
The double-blind experiment is conducted to ensure that the results of the experiments are not biased. The double-blind study states that the person who is implementing the experiment and the person involved in the experiment are not aware of each other. So there will be no bias in the experimental treatment.
The reliability in the double-blind experiment is improved. Under this experiment unintentional tipping off the study participants and biasing of the evaluation results by the researchers can be avoided.
Answer:
A. biological.
Explanation:
Psychology can be studied from many different perspectives. The biological perspective of studying psychology gave importance to genetics and the physical nature of human beings and animals. It is the study of human behavior that examines the nervous system, hormonal system or immune system. It is also called bio-psychology and it was the first perspective to use human genetics as the bases to study human behavior. Charles Darwin used this approach to study the role of genetics and its relation to human behavior.
As per the question, the study of testosterone and estrogen which are hormones signifies it as a study from a biological perspective.
<span>Extrusive igneous rocks, also known as volcanic rocks, are formed at the crust's surface as a result of the partial melting of rocks within the mantle and crust. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth's surface.
So in short answer they are!
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The answer to your question is West Africa located in the southeast of Algeria.
Answer:
The answer is section 4
Explanation:
The voting rights act was issued in order to end racial discrimination in the state. This allowed a number of black americans to be registered to vote, even in case of having a low level of english proficiency. North Carolina used english proficiency tests to determine who could register to vote. Under section 4 of the voting rights act, the rights to vote were expanded to include all black americans.
