r depth perception definition which model specifies the effect of depth perception in each individual what is depth perception and viewing condition what is mixed model specifications in r which factor would affect id and depth perception how can i model the effect of difficulty on depth perception in depth perception r model for depth perception why is depth perception and viewing conditions important for an experiment? how does depth perception influence viewing conditions which factors are fixed or variable depth perception is a fixed effect or variable why would you want to specify each individual differences in the depth perception in the r model r model of deep perception effects of viewing conditions and depth perception is depth perception a fixed or variable model what factors affect depth perception how do you determine depth perception in r what is the effect of depth perception why do we use mixed models if i fit the depth perception model, which is a fixed-factor