Flexibility may be the value of the human brain, but the inconsistencies that the brain creates can be a nuisance when trying to predict. Problems with predictions occur because the quality of information is only one factor among the many that influence what people with a cognitive disability can, will and may do. Their effects are discussed throughout the Allen App. The point of putting them here is a convenient list to remind you to consider the common confounding factors. In no way should anyone think that this list includes everything.