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lubasha [3.4K]
3 years ago
13

What process is believed to be responsible for the formation of the Grand Canyon? A) diverging tectonic plates B) converging tec

tonic plates C) erosion over a long period of time D) caving in of the ground due to erosion
Advanced Placement (AP)
1 answer:
Citrus2011 [14]3 years ago
8 0
C. Erosion over a long period of time

The Grand Canyon was formed by weathering and erosion caused by the Colorado River.
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3. What is the dependent variable in the study: The degree of acceptance of students in relation to the lecture. The dependent variable is one that needs to be influenced by the dependent variable in order to be able to evaluate a result. As we can see in the question above, the degree of beauty of the speakers influenced the degree of acceptance of the students in relation to the intelligence and competence of the speakers about the lecture.

4. How did the researchers "operationally define" attractiveness? They made this definition by evaluating the photos of the speakers, taken by other volunteers, who classified the photos as beautiful or ugly.

5. The results were said to be "statistically significant." What does that mean? It means that the acceptance of listeners to a lecture changes in relation to the beauty of the speakers.

6. Give one possible confounding variable in the study: a possible confounding variable would be the content of the lectures. Confounding variables are elements that can influence both the independent and the dependent variable. Thus, a complex or simple subject addressed as content of the lecture could influence both the perception of the beauty of the speakers and the acceptance of the lecture.

7. If the researchers stated that the results had generalizability ", what would that mean? It means that the results can be adopted as correct in any lectures.

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