Mathematics
Observational Study
98%
Weak Instruments
64%
Randomized Experiments
57%
Noncompliance
57%
Confounding
56%
Randomisation
49%
Instrumental Variables
47%
Imperfect
43%
Biased
39%
Testing
37%
Aberration
34%
Two Dimensions
33%
Children
27%
Design Sensitivity
21%
Structural Parameters
21%
Treatment Effects
20%
Covariates
19%
Pregnancy
17%
Statistical test
16%
Rank Test
15%
Quantify
15%
Diffusion equation
14%
Directly proportional
13%
Health
13%
Simpson's Paradox
12%
Coronary Artery
12%
Bahadur Efficiency
12%
Decay
12%
Collective Motion
12%
Programming
11%
Potential Outcomes
11%
Electrophoresis
11%
Randomized Controlled Trial
11%
Determinant
10%
Mortality Rate
9%
Design Method
9%
Exact Test
9%
Advection-diffusion Equation
9%
Thin Films
9%
Design
9%
Physical Model
9%
Gradient Flow
8%
Advection
8%
Constrained Optimization Problem
8%
Surgery
8%
False
8%
Heart
8%
Long-time Behavior
7%
Charge
7%
Proportion
7%
Medicine & Life Sciences
Transesophageal Echocardiography
53%
Coronary Artery Bypass
45%
Farmers
44%
Swimming
41%
Low Birth Weight Infant
40%
Malaria
34%
Hemoglobins
30%
Transplants
29%
Birth Rate
26%
Demography
24%
Bioengineering
16%
Lesotho
15%
Physics
15%
Birth Weight
14%
Mortality
14%
Confidence Intervals
13%
Esophageal Perforation
13%
Senegal
12%
Electrophoresis
12%
Physicians
12%
Epidemiologic Confounding Factors
11%
Birth Certificates
10%
Biomedical Research
9%
Random Allocation
9%
Pregnancy
9%
India
8%
Therapeutics
7%
Cardiac Surgical Procedures
7%
Incidence
6%
Population
6%
Stroke
6%
Intraoperative Monitoring
6%
Population Characteristics
5%
Parturition
5%
Control Groups
5%
Kidney
5%
Business & Economics
Observational Study
100%
Randomization
45%
Confounding
43%
High School
41%
Testing
31%
Covariates
23%
Statistical Tests
21%
Stunting
14%
Randomized Controlled Trial
10%
Structural Parameters
10%
Teenage Pregnancy
8%
Child Growth
7%
Imbalance
7%
Rank Test
6%
Discards
6%
Confidence Interval
6%
Proportion
6%
Z-score
6%
World Health Organization
5%