The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
Answer:
a white appearance.thifk layers of fat and fur.a small surface area to volume ratio. greasy coat that sheds water after swimming
Explanation:
1.as camouflage from prey on the snow and ice.2.for insulation against the cold.3. to minimize heat loss.4.go help reduce heat loss
It is either B or D all of the above. It depends on what kind of response. So, probably D
A. I believe would be your answer
Answer: Protein phosphorylation is commonly involved with all of the following except: activation of G protein-coupled receptors.
Explanation: