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The primary objective of an experimental study is to determine if a causal relationship exists between different factors. This involves investigating whether intentionally changing one variable results in a measurable change in another variable.

The Core Aim of Experimental Research

In experimental research, an independent variable is the presumed cause in a cause-and-effect relationship. It is the specific factor that a researcher systematically manipulates or varies to observe its impact on another variable. While experiments require manipulation, in some non-experimental or factorial designs, an independent variable may simply be measured.

Independent Variable

A dependent variable is the factor in an experiment that represents the presumed effect within a causal relationship. It is the variable that researchers measure to evaluate if it changes as a direct result of the manipulation of the independent variable.

Dependent Variable

A team of researchers is planning a study. Which of the following research goals best exemplifies the primary purpose of an experimental investigation?

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