Burying research therefore suppresses opposition to mainstream theories - favourable to matched views therefore new ideas likely rejected therefore slows rate of change and emergence
Chances of long-lasting fraudulent work - evidence = Wakefield 1998 [MMR vaccine link to autism - increased measles cases and people still believe this]
Publication bias - inclination to positive and 'healing grabbing' results, file drawer problem (ignore negative results) therefore false presentation of current state of psychology
Anonymity to target rivals for competition funding
Establishes validity and accuracy of research (eliminates mistakes) - gives researchers a chance to improve their research therefore prevents fraudulence therefore preserving reputation and increasing credibility of psychology