What is the purpose of random assignment?

Understand the Problem

The question is asking about the concept of random assignment, which is typically used in experimental research. Random assignment helps in ensuring that each participant has an equal chance of being placed in any group, which aids in eliminating bias and balancing out other extraneous variables.

Answer

To strengthen internal validity and avoid biases.

The purpose of random assignment is to strengthen the internal validity of an experiment and avoid biases by ensuring that all participants have an equal chance of being assigned to different experimental groups.

Answer for screen readers

The purpose of random assignment is to strengthen the internal validity of an experiment and avoid biases by ensuring that all participants have an equal chance of being assigned to different experimental groups.

More Information

Random assignment is a crucial technique in experimental research to ensure that the results are due to the manipulation of the independent variable and not other factors.

Tips

A common mistake is confusing random assignment with random selection. Random selection refers to how participants are chosen to be included in a study, while random assignment refers to how those chosen participants are allocated to experimental groups.

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