A Level Psychology - External Validity

A Level Psychology - External Validity:

• Concerns the extent to which research results can be generalised to other people and settings
• If a study has low internal validity, it will lack external validity

Types of External Validity:

1. Ecological validity
2. Population validity

Ecological Validity:

• Concerns the ability to generalise research beyond the particular setting in which it is demonstrated to other settings
• In the case of an experiment the issue is whether the experimental represents the actual behaviour being investigated
• …