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
#SPJ1
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
According to Hooke's law, a 30-N force stretches a spring by 0.73 m if the spring constant k is such that
30 N = k (0.73 m)
k = (30 N) / (0.73 m)
k ≈ 4.1 N/m
Answer:
The answer is 5000 Barrels.
Explanation:
If a barrel is $50, you do 50 times 1000 and you get 5000 barrels.
Answer:
What I believe would help young people build better future for themselves is if they simply did what they wanted to do and made sure that they dd well in school so that they can achieve their goals in life. Also, I believe that children could try to make friends along the way so that do not have to go through everything alone and instead will have someone to go along with them.
Explanation:
Answer:
uhh this is brainly, not tinder
Explanation: