| A | B |
|---|
| Experiment | Focuses on cause and effect in a controlled situation |
| Case Study | Study of something over time |
| Observation | Watching 'participants' going about their normal business |
| Interviews | Involves questioning |
| Tests | Publishes and standardised studies that can be checked |
| One strength of an experiment | It's a controlled situation |
| One strength of a test | It allows comparison between individuals |
| One weakness of an experiment | It can be unrealistic |
| One strength of an Observation study | People are in their natural environment |
| One weakness of a Case Study | It can be too generalistic |
| One strength of a Case Study | It show development (e.g. language) |
| One weakness of an Observation | Participants can change their behaviour if they know |
| One weakness of an Interview | Participants can lie |
