Answer:
A
Explanation:
Pan Gu, Wade-Giles romanization P’an Ku, also spelled Pangu, central figure in Chinese Daoist legends of creation. Pan Gu, the first man, is said to have come forth from chaos (an egg) with two horns, two tusks, and a hairy body. Some accounts credit him with the separation of heaven and earth, setting the sun, moon, stars, and planets in place, and dividing the four seas. He shaped the earth by chiselling out valleys and stacking up mountains. All this was accomplished from Pan Gu’s knowledge of yinyang, the inescapable principle of duality in all things.
Answer:
<u>"the independent variable—whether or not the students receive money for doing puzzles—has a significant effect, such that students in the paid group spend less time doing puzzles during their break time".</u>
Explanation:
<u>Independent variable:</u> In psychological research, the term "independent variable is described as a variable that is being manipulated, altered or changed by an investigator or researcher in order to see or notice its effect on the dependent variable of the given study. Thus, the independent variable has a direct impact on the dependent variable.
<u>In the question above, the research finds that "the independent variable—whether or not the students receive money for doing puzzles—has a significant effect".</u>
Answer: an analogue experiment
Explanation: In psychology,
Analogue experiment is an experiment in which participants (in this rats and stranger rats) closely resemble the target population. This experiment is carried out to look for comparisons between the two and then draw a conclusion.
Sound travels in waves with higher frequencies together and lower frequencies spread apart.
