| A | B |
| Experiment | Focuses on cause and effect in a controlled situation |
| Case study | Study of someone over time |
| Naturalistic observation | Watching 'participants' going about their normal business |
| Interviews | Involves questioning |
| Surveys | Lists of questions participants can answer on their own |
| Milgram Obedience Studies | Study of authority using 'electric shocks' and volunteers |
| Strength of an experiment | It's a controlled situation |
| Strength of a survey | It can be completed anonymously |
| Weakness of an experiment | It can be unrealistic |
| Strength of naturalistic observation | People are in their natural environment |
| Weakness of a case study | It can be too generalistic |
| Strength of a case study | It show development (e.g. language) |
| Weakness of naturalistic observation | Participants can change their behavior if they know |
| Weakness of an interview | Participants can lie |
| Zimbardo Prison Study | He took Milgram's study of authority and expanded it to test the effects of role playing |
| Watson Conditions of Fear | He causes a small baby to fear all white furry objects |
| Strength of an interview | You can change questions as you go |
| Weakness of a survey | People may not send them back |
| Correlational study | Gives you an idea about the relationship between two variables, but no more |
| Empirical evidence | Evidence derived from observation |