Practical Issues include:
- how easy to study subject with particular method.
- Depth of info from data.
Ethical Issues include:
- informed consent
- harm to participants.
Theoretical Issues include:
- Validity - does it show a true picture of what its like.
- Reliability - If repeated would it give similer results.
- Is the sample represantative.
Consider factors like the hawthorne effect. This is where if people know they…