PSY 2012 Chapter Notes - Chapter 2: Nocebo, Random Assignment, Malingering
Document Summary
Le cture 1: expe rime nta l vs . Na tura lis tic obs e rva tion. Be ha vior in its na tura l e nvironme nt. Re port of one inte re s ting individua l. De te rmine we a the r two (or more ) va ria ble s cova ry. You ma ke no a tte mpt to ma nipula te va ria ble s but obs e rve the m as is . Corre la tion not proof of ca us a tion. The corre la tion coe fficie nt - no ma tte r how la rge - ca nnot te ll us which a pplie s . Only wa y to conclus ive ly e xa mine ca us a l re la tions hips. Ma nipula te inde pe nde nt va ria ble.