Randomized design

an experiment in which participants are chosen for the experimental and control groups at random, in order to reduce bias caused by self-selection into experimental and control groups.This type of study design can provide evidence of causality.




INDEX OF DEFINITIONS
ABO antibodies ABO blood group system AIDS
AI ATP Acetylation
Acid food Acidic Acute
Adjunct Adrenal glands Agglutinate
Alkaline Allele Alzheimer's disease
Amino acids Anaerobic Analog
Anemia Anencephaly Angina pectoris
Angiography (coronary) Ankylosing spondylitis Antagonist
Anti-streptolysin O Antibodies Anticoagulant
Anticonvulsant Antigen Antihistamine
Antioxidant Antiresorptive agents Asthma
Astrocytoma Ataxia Atherosclerosis
Atrophic gastritis Atrophy Autoimmune disease
Autosomal dominant Autosomal recessive Bacteria
Balance study Barrett's esophagus Basal Metabolic Rate (BMR)
Bi-polar disorder Bile acids Bile
Biliary cirrhosis Bioavailable Biomarker
Biotechnology Blinded study Bone mineral density (BMD)
Buffer CREST syndrome Caffeine
Calcification Calories Cancer
Carbohydrate Carcinogenic embryonic antigen (CEA) Carcinogenic
Carcinoid syndrome Cardiomyopathy Cardiovascular diseases
Cardiovascular Carnitine Cartilage
Case control study Case reports Catalyze
Cataract Catecholamines Celiac disease
Cell membrane Cell signaling Cerebrospinal fluid
Cerebrovascular disease Cholecystitis Cholestatic liver disease
Cholesterol Cholinergic Chromosome
Chronic disease Cirrhosis Clone
Coagulation Cognitive Cold agglutinins
Collagenous matrix (of bone) Colon Colorectal adenoma
Complement Congestive heart failure (CHF) Controlled experiment
Cornea Coronary artery bypass graft (CABG) Coronary artery
Coronary heart disease (CHD) Corticosteroid Cortisol
Creatine phosphate Crohn's disease Cross-sectional study
Cystic fibrosis (CF) Cystitis Cytochrome P-450
Cytokine DEXA DNA
DRI De novo synthesis Decarboxylation
Dementia Dental caries Depletion-repletion study
Dermatitis Diabetes (diabetes mellitus) Diabetic ketoacidosis
Diastolic blood pressure Differentiation Diffusion
Dimer Diuretic Double blind
Duodenal ulcer Dysbiosis E. coli: O157:H7
EAR Echocardiography Electroencephalogram (EEG)
Electrolytes Electron transport chain Electron
Element Enamel Endocrine system
Enzyme Epidemiologic study Esophagus
Etiology Excretion Factor VIII
Familial adenomatous polyposis Fats Fatty acid
Fortification Fracture Free radical
Fructose GRAS (Generally Recognized as Safe) GTP
Gall bladder Gallstones Gastroesophageal reflux disease (GERD)
Gastrointestinal Gene Genome
Gluconeogenesis Glucose Glycogen
Grains HDL HIV
Hartnup's disease Heme Hemodialysis
Hemoglobin Hemolysis Hemolytic anemia
Hemorrhage Hepatitis Hereditary spherocytosis
Heterodimer Heterozygous Homocysteine
Homodimer Homologous Homozygous
Hormone Hydrogenation Hydroxyapatite
Hydroxylation Hyperparathyroidism Hyperthyroidism
Hypoparathyroidism Hypothyroidism In vitro
In vivo Indican Indo-European
Insoluble Fiber Insoluble Insulin
Ion channel Ion Isohemagglutinins
Isomers Jaundice Ketone bodies
Kidney stones LDL Lactose intolerance
Lectin Legumes Lens
Leukemia Lipids Lipoic acid
Lipoproteins Listeria Lp(a) lipoprotein
Lumbar spine Lupus Lymphocyte
Macrocytic anemia Macula Magnetic Resonance Imaging (MRI)
Malabsorption syndrome Malaria Malignant
Melanin Meta-analysis Metabolite
Methionine Methylation Migraine headache
Minerals Mitochondria Mucus
Multiple sclerosis (MS) Mutation Myelin
Myocardial infarction (MI) Myocarditis Myoglobin
NIH Naturopathic doctor (ND) Neolithic
Neural Tube Defect (NTD) Neurologic Neuropathy
Neurotransmitter Neutrophils Non-secretor
Nucleic acids Nucleotides Nucleus
Observational study One-carbon unit Onithene decarboxylase (ODC)
Optimum health Organic Osteoblasts
Osteoclasts Osteomalacia Osteoporosis
Oxidative stress PET scan Pancreas
Panhemagglutinin Parathyroid glands Parkinson's disease
Pathogen Peptic ulcer disease Peptide hormones
Peripheral vascular diseases Pernicious anemia Pharmacologic dose
Phenylketonuria (PKU) Phospholipids Phosphorylation
Physiologic dose Phytochemical Placebo
Placental abruption Placenta Plasma
Platelet Pneumonia Polyamines
Polymorphism Polyp Precursor
Preeclampsia Prevalence Prion
Prognosis Proliferation Prooxidant
Prospective study Prostaglandin Prostate
Psoriasis Pyruvate kinase deficiency Quartile
Quintile RDA RNA
Reactive nitrogen species (RNS) Reactive oxygen species (ROS) Receptor
Rectum Redox reaction Reduction
Resorption Retina Rheumatoid arthritis
Riboucelotide Rickets Salmonella
Scavenge (free radicals) Scurvy Secretor
Seizure Serotonin Serum
Short bowel syndrome Sickle cell anemia Sideroblastic anemia
Small intestine Sorbitol Spina bifida
Sprue Status Steroid hormone receptor
Steroid Stress fracture Stroke
Substrate Supplement Systolic blood pressure
Tetany Thalassemia major Threshold
Trans fats Transcription Transient ischemic attack (TIA)
Translation Tremor Triglycerides
Tuberculosis Typhoid UL
Ulcerative colitis Ultrasonography Vascular dementia
Vasoconstriction Vasodilation Vegetarian
Vertebral Vesicle Virulent
Virus Vitamin Water
Zoellinger Ellison syndrome mm Hg pH