Psychology 15 Lecture Notes - Lecture 3: Lady Tasting Tea, Diederik Stapel, Embryonic Stem Cell

• School: Harvard University
• Department: Psychology
• Course: Psychology 15
• Professor: Joshua Greene

Document Summary

Observation 1 may sensitize subjects to manipulation (oh, i should increase my commitment rating) Observation 1 may sensitize subjects to observation 2 (oh, i should be consistent with my earlier commitment rating) Show the control group a video, but not about flossing: threats to validity. Sample size (how many data points do you have? more is better) Effect size (how big is the difference? bigger is better) Intentional: for example, fraud, hwang woo-suk falsely claimed that he cloned human embryonic stem cells someone in his lab turned him in, diederik stapel made up results over and over again. Experimental demand is most influential when: hypothesis is revealed explicitly, manipulation is obvious, observations/measures are obvious. Camouflage ask your question amongst a myriad of other questions. Western electric - studies of environmental conditions at work. Factory changed lighting, temperature, and more to boost productivity. Anything they tried that was new would boost productivity: ethics of research, nuremberg code.