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Which substance is present in the smallest proportion in a solution?
Negative Correlation
A relationship between two variables in which an increase in one variable is associated with a decrease in the other.
Correlational Studies
Studies designed to yield information concerning the degree of relationship between two variables.
Ex Post Facto Design
A scientific study in which the values of the independent variable are not manipulated, but selected by the experimenter after the groups have naturally divided themselves.
Descriptive Research
A method of research that aims to observe and describe characteristics of a subject without influencing it.
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