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
A its the first 1 its A Trust me
I would say online since that's the method everyone I've ever talked to signs up
To take revenge for not allowing him to take up the living.
Answer:
The angular velocity is the rotation speed, which is the angle of rotation
of the windmill per second, which is 2·π radians.
Explanation:
