C because the points are deducted for skipped
Answer:
the dog
Explanation:
is flying overtake the airplane
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
The name of the Pianist and Composer that took the stride style he learned from james p. Johnson and infused his original piano pieces with rich textures is called; Thomas "Fats" Waller
<h3>Who was Thomas "Fats" Waller?</h3>
The name of this pianist and composer that took the stride style he learned from james p. Johnson and infused his original piano pieces with rich textures is called Thomas "Fats" Waller.
Thomas "Fats" Waller was an American Pianist and Music Composer born on May 21, 1904 and died on December 15, 1943. He was one of the most popular and influential performers of his era because he was a master of playing stride piano and he was hugely successful commercially both in the United States and in Europe.
Read more about the story of a Pianist at; brainly.com/question/13212567
Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
