Question

multiple choice question
what important principle of experimental research is used to decide whether each participant will be placed in the experimental group or in the control group?

○ chance assignment
○ random assignment
○ longitudinal research
○ cross - sectional research

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Explanation:

• Chance assignment is not the standard term for this experimental principle.
• Random assignment is the specific method used in experimental research to randomly place participants into experimental or control groups, ensuring groups are comparable.
• Longitudinal research is a study design that follows participants over time, not a group assignment method.
• Cross-sectional research is a study design that collects data from a group at a single time, not a group assignment method.

Answer:

random assignment