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WordNet
experimental psychology

n. the branch of psychology that uses experimental methods to study psychological issues [syn: psychonomics]

Wikipedia
Experimental psychology

Experimental psychology refers to work done by those who apply experimental methods to psychological study and the processes that underlie it. Experimental psychologists employ human participants and animal subjects to study a great many topics, including (among others) sensation & perception, memory, cognition, learning, motivation, emotion; developmental processes, social psychology, and the neural substrates of all of these.