 
 <prompt> How science change for di 19th century? Given di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Di end of di 19th century na di start of psychology as scientific work. Di year 1879 dey commonly seen as di start of psychology as independent field of study. For dat year Wilhelm Wundt start di first laboratory wey dey focus only on psychological research (for Leipzig). Other important early people wey contribute to di field include Hermann Ebbinghaus (wey be pioneer for memory studies), Ivan Pavlov (wey discover classical conditioning), William James, and Sigmund Freud. Freud influence don dey plenty, but more as cultural icon pass force for scientific psychology. 