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
I don’t want you going back in the front door and I’m going to try calling it
Answer:
D. You earn money while you learn specific career skills.
Explanation:
During an apprenticeship a person can work along an experienced worker and gain hand on career skills. Usually apprenticeships are practiced in trade jobs. for example plumbers, builders, printers, electricians, etc.
Enzymes are proteins but not all proteins are enzymes.
