Statistical analysis of the proportion of paramecium cells dispersing in experiments 1 and 2.

The values provided for significant terms are those in the final model; for the others, the values are those when added one by one to the final model.
1because clone and initial density are partly confounded, these two terms were not significant when added simultaneously to the model (SAS-type 3 fitting), but each was significant when added first in sequential (type 1) fitting procedure.