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:
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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
Cleaner, alcohol kills Bacteria but it is also a killer when it's abused but if your not abusing it you body will use it as a cleaner killing the bacteria in the stomach and liver and even the blood stream
Hope this helps have a nice day!
B) Texture
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would love brainliest if it’s right and you can give it! :)
Answer:
I dont know but this answer choice is wrong Death is always present in the world.
Explanation:
I took the test but it doesn't let you see the correct answer
