What are the disadvantages of using correlational research design?

Here are some of the disadvantages of using correlational research design:

1. Causality cannot be established - Correlational research design can only show a relationship between two variables but cannot establish causality or directionality of the relationship.

2. Third variable problem - Correlational research design does not account for the effects of other unseen or unmeasured variables that might explain the relationship between two variables.

3. Self-selection bias - Participants who choose to participate in a correlational study may have self-selected based on the study's subject matter or their personal characteristics, which can skew the sample.

4. Questionable reliability and validity - Correlational research designs depend on the reliability and validity of the measurements of the variables used in the study.

5. Limited generalizability - Correlational research design typically focuses on a specific population or group and may not be generalizable to other populations.

6. Ethics - Correlational research design can sometimes involve the use of personal or sensitive information, which raises ethical concerns about confidentiality and privacy.

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