comp psych short answer 1

variation

different traits between individuals

• respond to environment differently

inheritance

traits are heritable

• useful traits, resemble parents,

reproductive success

certain traits lead to higher survival/respoductive success

• causes helpful traits to become more common in the population

IV

variable manipulated by the researchers

DV

variable that is observed for changes in order todetermine the effect of the treatment (the changes in the IV)

confounding variable

a factor other than the IV that might produce a change in the DV

Controlled for by using random assignment

conditioned taste aversion

•Food is associated with gastro-intestinal illness

•Should see avoidance of CS

fear conditioning

organism learns that something is a threat by pairing a neutral stimulus with a, unconditional stimulus