What are some examples of controlled experiments?

What are some examples of controlled experiments?

Controlled experiments are scientific tests where one variable is changed while others are kept constant. A classic example is the drug efficacy test, where one group receives the drug and another a placebo.

Can you give me a specific example from psychology?

Sure! A famous example is the Stanford prison experiment, where participants were assigned roles as guards or prisoners to study behavior in a simulated prison environment.

What about in agriculture?

In agriculture, a controlled experiment might involve testing different fertilizers on crop yield, where one field uses a new fertilizer and another uses a standard one.

How do scientists ensure the experiment is controlled?

Scientists ensure control by keeping all variables constant except for the one being tested, using random assignment, and replicating the experiment to verify results.