D | Question 19 1 pts My wife teaches middle-school science (we like to compare

Question

D | Question 19 1 pts My wife teaches middle-school science (we like to compare notes on students' behaviors). For part of her unit on space, I suggested that students may enjoy seeing the concepts used in popular cultural and it could help them learn the material. She agreed, so for one classshe showed them "interstellar", another class watched "Gravity", another watched "Guardians of the Galaxy, another watched "Star Wars: Episode IV A New Hope" (original 1977 movie, and she only lectured to the last class as usual. At the end of the unit, she gave an exam on the material and the students who watched "Guardians" or just her lecture did the best on the exam, with those watching Star Wars doing the worse. What is the independent variable (IV) and how many levels would you say it has for this study? O A. The grade of the students is the IV and there are 5 levels. o he number of times they watch each film is the IV and there are 5 levels. O C. The different ways they get the material is the IV and there are 5 levels. O D. The different movies are the IV and there are 4 levels. 0 E. The number of questions on the exam is the IV and there are 10 levels.

Explanation / Answer

Ans C) the different ways they get the material is the IV and there are 5 levels.

There were two ways of material , the movies and the lectures , and then there were 4 different movies , so there are a total 5 kinds of material giving inclusive of lecture which makes the total number of levwls 5 in the study.

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