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Developing Psychological Theories: Mastery Test
1
Select the correct answer.
In which research method does a researcher change the value of one variable to determine how the change affects another variable?
ОА
experiment
B.
observational research
C survey
D. case study
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An experiment is a type of research method used for scientific investigation to check how a natural phenomenon works and how a particular variable affected by causing or manipulating one variable.
The affected variable called the dependent variable and the variable that is changed is called the independent variable. Other than independent variables other variables should be controlled so there would be no influence on the result other than independent varibles.
A predator prey relationship is one in which interactions usually with consequential effects occurs between two different species. One species usually feed on the other. The species being fed on are the prey while the species being fed is the predator. In this context, the prey is the ant and the predator s are the ant lions.
<span>The best place would be far away from a cliff and the worst would be right on top of a cliff or some sort of land such as a beach or directly beneath it. At anytime, gravity will cause mass wasting, in other words the rock and soil will just break apart.</span>
A regular sleep pattern can help to lower the levels of stress and inflammation to your cardiovascular system, which in turn can reduce your chances of a heart condition.
