Answer:
Good morning? what state r u in its night here 0-0 also tyyyyy
Think your missing part of the question
Take a picture of it and ill answer it
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.
Learn more about internal validity on:
brainly.com/question/968894
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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:
D
Explanation:
add all the know sides 8+8+3+5=24
perimeter of half a semicircle=circumference of half a semicircle
if circle is C=π×d
than semi C=1/2×d×π
C=½×4×π
C=2pi
so 24+2pi
Daniel's doctor told him that his stroke was caused by a blood clot in an artery in his brain which means the stroke was caused by a medical condition which is referred to as aneurysm.
<h3>What is Aneurysm?</h3>
This is referred to as a weakened artery rupturing and releasing blood content into the brain. This therefore causes a bulge in the walls of the artery and the major causes of this medical condition include the following:
When this happens, the blood forms clot and impairs the function of the central nervous system thereby resulting in the numb sensation or paralysis of certain parts of the body.
The blood formed clots which resulted in the stroke encountered by Daniel in this scenario and therefore makes it the most appropriate choice.
Read more about Aneurysm here brainly.com/question/282530
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