According to the text, this research method involves the random assignment of individuals to experimental (treatment) and control (no treatment) conditions:

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The research method that involves the random assignment of individuals to experimental (treatment) and control (no treatment) conditions is known as experimental design. This method aims to establish cause-and-effect relationships by manipulating an independent variable and observing its effects on a dependent variable. Random assignment helps to ensure that any observed differences between the treatment and control groups are due to the intervention being tested and not to other factors.

According to the Text, This Research Method Involves the Random