**Trial trenching** — is a rapid and inexpensive method of archaeological evaluation used to estimate the archaeological potential of a site.Trenches are located at intervals across a site leaving the rest untouched. A mechanical excavator is used to dig down to… … Wikipedia

**Sampling bias** — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… … Wikipedia

**trial** — I tri•al [[t]ˈtraɪ əl, traɪl[/t]] n. 1) law a) the examination of a cause before a court of law, often involving issues both of law and of fact b) the use of due process to determine a person s guilt or innocence 2) the act of trying, testing, or … From formal English to slang

**sampling** — noun Date: 1778 1. the act, process, or technique of selecting a suitable sample; specifically the act, process, or technique of selecting a representative part of a population for the purpose of determining parameters or characteristics of the… … New Collegiate Dictionary

**Randomized controlled trial** — Flowchart of four phases (enrollment, intervention allocation, follow up, and data analysis) of a parallel randomized trial of two groups, modified from the CONSORT (Consolidated Standards of Reporting Trials) 2010 Statement[1] … Wikipedia

**Clinical 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… … Wikipedia

**Gy's sampling theory** — is a theory about the sampling of materials, developed by Pierre Gy in articles and books including:*(1960) Sampling nomogram *(1979) Sampling of particulate materials; theory and practice *(1982) Sampling of particulate materials; theory and… … Wikipedia

**Bernoulli sampling** — In the theory of finite population sampling, Bernoulli sampling is a sampling process where each element of the population that is sampled is subjected to an independent Bernoulli trial which determines whether the element becomes part of the… … Wikipedia

**Latin hypercube sampling** — (LHS) is a statistical method for generating a distribution of plausible collections of parameter values from a multidimensional distribution. The sampling method is often applied in uncertainty analysis. The technique was first described by… … Wikipedia

**Bernoulli trial** — In the theory of probability and statistics, a Bernoulli trial is an experiment whose outcome is random and can be either of two possible outcomes, success and failure .In practice it refers to a single experiment which can have one of two… … Wikipedia