Which threat to internal validity involves participants' natural changes over time?

Understand the Problem

The question is asking about the specific threat to internal validity related to participants undergoing natural changes over time, leading us to identify the correct answer from the provided options.

More Information

Maturation threats refer to changes in participants that occur naturally over time, such as aging or developing new skills, which can affect study outcomes.

Tips

A common mistake is confusing maturation threats with history threats, which involve external events rather than natural changes in participants.

Sources

• Internal Validity Threat Checklist - Appinio - appinio.com
• Threats to validity of Research Design - web.pdx.edu
• Maturation effects and internal validity - Lærd Dissertation - dissertation.laerd.com