Answer:
D. Comets spend most of their time far from the Sun.
Answer
A Personal statement
Explanation
A personal statement essay is one that a person state his or her achievements and qualifications in a manner will convince the admission board members to accept the application to join the learning institution. It is similar to a college admission essay.
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:
Explanation:
SAT as an empty acronym and changed the name of the test to SAT I: Reasoning Test. Finally, the Roman numeral was dropped. Now the test is known as the SAT Reasoning Test, popularly called the 'SAT'.
Give the officer the license and registration
