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 is a protein found in wheat, rye and barley that causes intestinal damage (often resulting in wt loss and nutrient deficiencies) for individuals with gluten intolerance. Common symptoms of gluten intolerance include: diarrhea, abdominal pain, bloating, fatigue, forgetfulness and irritability.luten is a protein found in wheat, rye and barley that causes intestinal damage (often resulting in wt loss and nutrient deficiencies) for individuals with gluten intolerance. Common symptoms of gluten intolerance include: diarrhea, abdominal pain, bloating, fatigue, forgetfulness and irritability.