Mathematics
Attrition
95%
Sample Size Determination
82%
Random Effects
43%
Trends
41%
Design
39%
Cost Model
30%
Mixed Effects
27%
Clustered Data
26%
Randomisation
22%
Longitudinal Data
22%
Health
22%
Linear Regression Model
20%
Clinical Trials
20%
Proportion
18%
Requirements
17%
Sample Size
16%
Methodology
15%
Interaction
15%
Model
13%
Medicine & Life Sciences
Sample Size
56%
Linear Models
33%
Random Allocation
20%
Randomized Controlled Trials
14%
Regression Analysis
13%
Costs and Cost Analysis
13%
Health
10%
Engineering & Materials Science
Size determination
100%
Linear regression
16%
Health
11%
Sampling
11%
Costs
6%
Agriculture & Biology
power requirement
23%
sampling
22%
clinical trials
16%
testing
6%
methodology
4%