controlled sampling
21Odds ratio — The odds ratio [1][2][3] is a measure of effect size, describing the strength of association or non independence between two binary data values. It is used as a descriptive statistic, and plays an important role in logistic regression. Unlike… …
22Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
23electronic instrument — ▪ music Introduction any musical instrument that produces or modifies sounds by electric, and usually electronic, means. The electronic element in such music is determined by the composer, and the sounds themselves are made or changed… …
24Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …
25Experiment — Experimental redirects here. For the musical classification, see Experimental music. For other uses, see Experiment (disambiguation). Even very young children perform rudimentary experiments in order to learn about the world. An experiment is a… …
26Clinical trial — Clinical trials are a set of procedures in medical research and drug development that are conducted to allow safety (or more specifically, information about adverse drug reactions and adverse effects of other treatments) and efficacy data to be… …
27public opinion — the collective opinion of many people on some issue, problem, etc., esp. as a guide to action, decision, or the like. [1560 70] * * * Introduction an aggregate of the individual views, attitudes, and beliefs about a particular topic,… …
28Epidemiology — For the Community episode, see Epidemiology (Community). Epidemiology is the study of health event, health characteristic, or health determinant patterns in a population. It is the cornerstone method of public health research, and helps inform… …
29NeSSI — This article is about the initiative linked to chemical process analytical systems, see also Networked European Software and Services Initiative NeSSI (for New Sampling/Sensor Initiative) is a global and open initiative sponsored by the Center… …
30List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
