The AB Design can be used to quickly assess the effects of an experimental variable. Its main disadvantage its inability to distinguish the experimental effect from possible confounds that might occur coincident with the change of condition.
ceÂ·liÂ·ac disÂ·ease. A disease occurring in children and adults characterized by sensitivity to gluten, with chronic inflammation and atrophy of the mucosa of the upper small intestine; manifestations include diarrhea, malabsorption, steatorrhea, and nutritional and vitamin deficiencies.
Gluten-related disorders is the umbrella term for all diseases triggered by gluten.Gluten-related disorders/gliadin-related disorders include celiac disease and non-celiac gluten sensitivity (NCGS).Formerly, also gluten intolerance has been used as umbrella term, and the expression gluten sensitivity has been used either as umbrella term or for NCGS.luten-related disorders is the umbrella term for all diseases triggered by gluten.